Air Pollution in Provincia di Viterbo: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Provincia di Viterbo. Today is Saturday, May 4, 2024. The following air pollution values have been recorded for Provincia di Viterbo:- carbon monoxide (CO) - 200 (Good)
- nitrogen dioxide (NO2) - 15 (Good)
- particulate matter (PM10) suspended dust - 29 (Moderate)
- sulfur dioxide (SO2) - 2 (Good)
What is the air quality in Provincia di Viterbo today? Is the air polluted in Provincia di Viterbo?. Is there smog?
How high is the CO level? (carbon monoxide (CO))
200 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
15 (Good)
What is the level of PM10 today in Provincia di Viterbo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Provincia di Viterbo is:
29 (Moderate)
The highest PM10 values usually occur in month: 25 (January 2020).
The lowest value of particulate matter PM10 pollution in Provincia di Viterbo is usually recorded in: May (9.5).
What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)
Current data Monday, July 10, 2023, 10:00 PM
CO 200 (Good)
NO2 15 (Good)
PM10 29 (Moderate)
SO2 2 (Good)
1 (Good)
8 (Good)
Data on air pollution from recent days in Provincia di Viterbo
index
2024-01-10
2024-01-11
2024-01-12
2024-01-13
2024-01-14
2024-01-15
2024-01-16
2024-01-17
2023-07-13
2023-07-12
2023-07-11
2023-07-09
2023-07-08
2023-07-10
no2
16
Good
17
Good
16
Good
26
Good
27
Good
31
Good
31
Good
10
Good
13
Good
12
Good
12
Good
6
Good
7
Good
10
Good
co
156
Good
175
Good
114
Good
260
Good
264
Good
394
Good
305
Good
150
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
so2
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
2
Good
2
Good
2
Good
2
Good
2
Good
2
Good
no
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
1
Good
2
Good
1
Good
1
Good
1
Good
nox
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
15
Good
15
Good
7
Good
9
Good
11
Good
pm10
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
-
Good
29
Moderate
22
Moderate
19
Good
27
Moderate
data source »
Air pollution in Provincia di Viterbo from August 2017 to April 2020
index
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-09
2017-08
pm10
19 (Good)
17 (Good)
19 (Good)
25 (Moderate)
19 (Good)
12 (Good)
16 (Good)
15 (Good)
16 (Good)
17 (Good)
23 (Moderate)
9.5 (Good)
19 (Good)
18 (Good)
19 (Good)
17 (Good)
19 (Good)
15 (Good)
18 (Good)
16 (Good)
17 (Good)
17 (Good)
14 (Good)
14 (Good)
21 (Moderate)
16 (Good)
18 (Good)
24 (Moderate)
16 (Good)
18 (Good)
14 (Good)
16 (Good)
pm25
11 (Good)
11 (Good)
12 (Good)
17 (Moderate)
11 (Good)
7 (Good)
9 (Good)
8.7 (Good)
10 (Good)
11 (Good)
13 (Good)
6.4 (Good)
12 (Good)
12 (Good)
14 (Moderate)
15 (Moderate)
15 (Moderate)
9.7 (Good)
12 (Good)
8.8 (Good)
11 (Good)
10 (Good)
8.2 (Good)
8.1 (Good)
12 (Good)
11 (Good)
13 (Good)
15 (Moderate)
11 (Good)
12 (Good)
6.5 (Good)
8.2 (Good)
no2
4 (Good)
5.8 (Good)
11 (Good)
16 (Good)
14 (Good)
12 (Good)
13 (Good)
10 (Good)
8.1 (Good)
8.4 (Good)
7.9 (Good)
8.4 (Good)
11 (Good)
13 (Good)
13 (Good)
15 (Good)
17 (Good)
15 (Good)
11 (Good)
- (Good)
4 (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
37 (Good)
5.2 (Good)
2.4 (Good)
5.1 (Good)
1.7 (Good)
2.5 (Good)
o3
78 (Moderate)
65 (Good)
51 (Good)
43 (Good)
43 (Good)
48 (Good)
50 (Good)
68 (Good)
76 (Moderate)
85 (Moderate)
79 (Moderate)
72 (Moderate)
77 (Moderate)
71 (Moderate)
62 (Good)
44 (Good)
37 (Good)
41 (Good)
61 (Good)
63 (Good)
78 (Moderate)
81 (Moderate)
71 (Moderate)
60 (Good)
71 (Moderate)
62 (Good)
47 (Good)
33 (Good)
39 (Good)
35 (Good)
47 (Good)
72 (Moderate)
so2
0.46 (Good)
0.55 (Good)
0.65 (Good)
0.77 (Good)
0.67 (Good)
0.51 (Good)
0.67 (Good)
0.5 (Good)
0.59 (Good)
2 (Good)
1.3 (Good)
0.58 (Good)
0.69 (Good)
0.68 (Good)
0.67 (Good)
1.5 (Good)
0.83 (Good)
0.72 (Good)
0.56 (Good)
0.2 (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
- (Good)
co
7.7 (Good)
112 (Good)
106 (Good)
259 (Good)
296 (Good)
182 (Good)
170 (Good)
75 (Good)
40 (Good)
100 (Good)
238 (Good)
269 (Good)
316 (Good)
358 (Good)
332 (Good)
460 (Good)
513 (Good)
350 (Good)
299 (Good)
335 (Good)
224 (Good)
435 (Good)
624 (Good)
318 (Good)
342 (Good)
421 (Good)
510 (Good)
502 (Good)
488 (Good)
455 (Good)
299 (Good)
270 (Good)
data source »
Quality of life in Provincia di Viterbo
Green and Parks in the City
Provincia di Viterbo
42%
San Marino: 75%
Croatia: 73%
Bosnia and Herzegovina: 54%
Slovenia: 87%
Albania: 37%
particulate matter PM2.5
Provincia di Viterbo
11 (Good)
Pleasure of spending time in the city
Provincia di Viterbo
75%
San Marino: 100%
Croatia: 81%
Bosnia and Herzegovina: 53%
Slovenia: 88%
Albania: 40%
particulate matter PM10
Provincia di Viterbo
19 (Good)
Air Pollution
Provincia di Viterbo
14%
San Marino: 6.8%
Croatia: 29%
Bosnia and Herzegovina: 62%
Slovenia: 26%
Albania: 69%
Garbage Disposal
Provincia di Viterbo
33%
Croatia: 58%
Bosnia and Herzegovina: 49%
Slovenia: 87%
Albania: 33%
Availability and quality of drinking water
Provincia di Viterbo
8.3%
San Marino: 100%
Croatia: 86%
Bosnia and Herzegovina: 71%
Slovenia: 96%
Albania: 33%
Cleanliness and tidiness
Provincia di Viterbo
25%
San Marino: 75%
Croatia: 68%
Bosnia and Herzegovina: 50%
Slovenia: 87%
Albania: 36%
Noise and Light pollution
Provincia di Viterbo
25%
San Marino: 75%
Croatia: 34%
Bosnia and Herzegovina: 38%
Slovenia: 37%
Albania: 53%
Water Pollution
Provincia di Viterbo
92%
San Marino: 0%
Croatia: 25%
Bosnia and Herzegovina: 45%
Slovenia: 17%
Albania: 68%
Source: Numbeo
IT0863A
Wednesday, January 17, 2024, 7:00 AM
CO 200 (Good)
carbon monoxide (CO)
NO2 23 (Good)
nitrogen dioxide (NO2)
IT2175A
Monday, July 10, 2023, 10:00 PM
PM10 29 (Moderate)
particulate matter (PM10) suspended dust
NO2 6 (Good)
nitrogen dioxide (NO2)
SO2 1.8 (Good)
sulfur dioxide (SO2)
1 (Good)
index_name_no
8 (Good)
index_name_nox
IT0863A
index
2024-01-17
2024-01-16
2024-01-15
2024-01-14
2024-01-13
2024-01-12
2024-01-11
2024-01-10
no2
9.7
31
31
27
26
16
17
16
co
150
305
394
264
260
114
175
156
IT2175A
index
2023-07-10
2023-07-08
2023-07-09
2023-07-11
2023-07-12
2023-07-13
no2
9.7
7.1
6.3
12
12
13
so2
1.9
1.9
1.9
1.8
1.8
1.9
no
1.3
0.77
0.63
2.1
1
-
nox
11
8.8
7.2
15
15
-
pm10
27
19
22
29
-
-
Acquapendente
2017-08 2020-04
index
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-09
2017-08
o3
76
67
59
50
48
50
51
68
76
88
84
75
82
78
68
48
42
42
62
64
81
82
73
63
77
68
52
35
51
46
69
85
pm10
19
15
14
20
15
9.8
14
13
16
16
20
8.1
18
15
15
16
16
13
16
13
16
16
12
13
18
13
16
19
14
15
12
14
pm25
12
12
11
18
11
6.3
8.3
8.8
11
11
11
5.4
12
10
13
14
13
9.1
11
8.6
11
10
7.8
7.4
11
9.5
13
14
11
11
6.3
8
no2
4
4.5
5.6
9.4
6.9
5.4
5.4
4.6
4.7
4
2.7
2.3
4.1
6
7.6
9.6
8.7
7.7
5.3
-
-
-
-
-
-
-
-
-
-
-
-
-
Civita Castellana
index
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-09
2017-08
pm10
20
20
27
40
25
15
18
16
16
17
25
10
20
20
26
22
23
19
19
18
17
17
14
15
23
19
23
32
21
24
14
15
no2
3.1
8.3
20
25
18
15
14
9
8.2
8.7
8.5
7.6
12
13
16
16
23
23
15
-
4
-
-
-
-
-
37
-
-
-
-
-
so2
0.4
0.41
0.51
0.6
0.42
0.36
0.41
0.41
0.34
0.4
0.35
0.35
0.45
0.48
0.52
2
0.67
0.72
0.42
0.2
-
-
-
-
-
-
-
-
-
-
-
-
Viterbo
2017-08 2020-04
index
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-09
2017-08
co
7.7
112
106
259
296
182
170
75
40
100
238
269
316
358
332
460
513
350
299
335
224
435
624
318
342
421
510
502
488
455
299
270
o3
79
63
43
36
38
46
48
67
75
83
74
70
72
65
55
40
32
40
60
62
75
80
70
58
64
56
42
31
27
24
25
58
pm10
18
16
20
23
18
13
16
14
16
17
22
10
20
19
18
18
21
15
18
16
16
17
14
15
22
19
18
25
17
19
15
16
pm25
10
9.5
12
17
11
7.8
9.8
8.5
9.5
11
14
7.4
13
14
15
16
17
10
12
9
11
10
8.6
8.7
13
12
13
16
11
12
6.8
8.5
no2
4.8
7.5
13
22
24
24
25
22
18
19
18
19
24
25
24
28
31
23
19
-
-
-
-
-
-
-
-
5.2
2.4
5.1
-
-
so2
0.52
0.69
0.8
0.93
0.92
0.66
0.94
0.59
0.83
3.6
2.2
0.81
0.93
0.88
0.83
0.99
0.99
0.72
0.71
-
-
-
-
-
-
-
-
-
-
-
-
-
Monte Romano
index
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-09
2017-08
no2
2.7
5.5
7
5.5
5.6
5.1
4.3
2.2
2.4
2.5
4.5
5.5
5.9
5.7
6.5
7.5
6.1
4.6
-
-
-
-
-
-
-
-
-
-
-
1.7
2.5
pm10
16
16
19
16
12
15
16
18
19
24
9.8
19
17
16
13
16
14
18
17
18
19
15
15
20
15
15
20
13
15
16
19
* Pollution data source:
https://openaq.org
(ARPALAZIO)
The data is licensed under CC-By 4.0
CO 200 (Good)
NO2 15 (Good)
PM10 29 (Moderate)
SO2 2 (Good)
1 (Good)
8 (Good)
Data on air pollution from recent days in Provincia di Viterbo
| index | 2024-01-10 | 2024-01-11 | 2024-01-12 | 2024-01-13 | 2024-01-14 | 2024-01-15 | 2024-01-16 | 2024-01-17 | 2023-07-13 | 2023-07-12 | 2023-07-11 | 2023-07-09 | 2023-07-08 | 2023-07-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 16 Good |
17 Good |
16 Good |
26 Good |
27 Good |
31 Good |
31 Good |
10 Good |
13 Good |
12 Good |
12 Good |
6 Good |
7 Good |
10 Good |
| co | 156 Good |
175 Good |
114 Good |
260 Good |
264 Good |
394 Good |
305 Good |
150 Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
| so2 | - Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
2 Good |
2 Good |
2 Good |
2 Good |
2 Good |
2 Good |
| no | - Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
1 Good |
2 Good |
1 Good |
1 Good |
1 Good |
| nox | - Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
15 Good |
15 Good |
7 Good |
9 Good |
11 Good |
| pm10 | - Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
- Good |
29 Moderate |
22 Moderate |
19 Good |
27 Moderate |
| index | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-09 | 2017-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 19 (Good) | 17 (Good) | 19 (Good) | 25 (Moderate) | 19 (Good) | 12 (Good) | 16 (Good) | 15 (Good) | 16 (Good) | 17 (Good) | 23 (Moderate) | 9.5 (Good) | 19 (Good) | 18 (Good) | 19 (Good) | 17 (Good) | 19 (Good) | 15 (Good) | 18 (Good) | 16 (Good) | 17 (Good) | 17 (Good) | 14 (Good) | 14 (Good) | 21 (Moderate) | 16 (Good) | 18 (Good) | 24 (Moderate) | 16 (Good) | 18 (Good) | 14 (Good) | 16 (Good) |
| pm25 | 11 (Good) | 11 (Good) | 12 (Good) | 17 (Moderate) | 11 (Good) | 7 (Good) | 9 (Good) | 8.7 (Good) | 10 (Good) | 11 (Good) | 13 (Good) | 6.4 (Good) | 12 (Good) | 12 (Good) | 14 (Moderate) | 15 (Moderate) | 15 (Moderate) | 9.7 (Good) | 12 (Good) | 8.8 (Good) | 11 (Good) | 10 (Good) | 8.2 (Good) | 8.1 (Good) | 12 (Good) | 11 (Good) | 13 (Good) | 15 (Moderate) | 11 (Good) | 12 (Good) | 6.5 (Good) | 8.2 (Good) |
| no2 | 4 (Good) | 5.8 (Good) | 11 (Good) | 16 (Good) | 14 (Good) | 12 (Good) | 13 (Good) | 10 (Good) | 8.1 (Good) | 8.4 (Good) | 7.9 (Good) | 8.4 (Good) | 11 (Good) | 13 (Good) | 13 (Good) | 15 (Good) | 17 (Good) | 15 (Good) | 11 (Good) | - (Good) | 4 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | 37 (Good) | 5.2 (Good) | 2.4 (Good) | 5.1 (Good) | 1.7 (Good) | 2.5 (Good) |
| o3 | 78 (Moderate) | 65 (Good) | 51 (Good) | 43 (Good) | 43 (Good) | 48 (Good) | 50 (Good) | 68 (Good) | 76 (Moderate) | 85 (Moderate) | 79 (Moderate) | 72 (Moderate) | 77 (Moderate) | 71 (Moderate) | 62 (Good) | 44 (Good) | 37 (Good) | 41 (Good) | 61 (Good) | 63 (Good) | 78 (Moderate) | 81 (Moderate) | 71 (Moderate) | 60 (Good) | 71 (Moderate) | 62 (Good) | 47 (Good) | 33 (Good) | 39 (Good) | 35 (Good) | 47 (Good) | 72 (Moderate) |
| so2 | 0.46 (Good) | 0.55 (Good) | 0.65 (Good) | 0.77 (Good) | 0.67 (Good) | 0.51 (Good) | 0.67 (Good) | 0.5 (Good) | 0.59 (Good) | 2 (Good) | 1.3 (Good) | 0.58 (Good) | 0.69 (Good) | 0.68 (Good) | 0.67 (Good) | 1.5 (Good) | 0.83 (Good) | 0.72 (Good) | 0.56 (Good) | 0.2 (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) | - (Good) |
| co | 7.7 (Good) | 112 (Good) | 106 (Good) | 259 (Good) | 296 (Good) | 182 (Good) | 170 (Good) | 75 (Good) | 40 (Good) | 100 (Good) | 238 (Good) | 269 (Good) | 316 (Good) | 358 (Good) | 332 (Good) | 460 (Good) | 513 (Good) | 350 (Good) | 299 (Good) | 335 (Good) | 224 (Good) | 435 (Good) | 624 (Good) | 318 (Good) | 342 (Good) | 421 (Good) | 510 (Good) | 502 (Good) | 488 (Good) | 455 (Good) | 299 (Good) | 270 (Good) |
Green and Parks in the City
Provincia di Viterbo 42%
San Marino: 75% Croatia: 73% Bosnia and Herzegovina: 54% Slovenia: 87% Albania: 37%particulate matter PM2.5
Provincia di Viterbo 11 (Good)
Pleasure of spending time in the city
Provincia di Viterbo 75%
San Marino: 100% Croatia: 81% Bosnia and Herzegovina: 53% Slovenia: 88% Albania: 40%particulate matter PM10
Provincia di Viterbo 19 (Good)
Air Pollution
Provincia di Viterbo 14%
San Marino: 6.8% Croatia: 29% Bosnia and Herzegovina: 62% Slovenia: 26% Albania: 69%Garbage Disposal
Provincia di Viterbo 33%
Croatia: 58% Bosnia and Herzegovina: 49% Slovenia: 87% Albania: 33%Availability and quality of drinking water
Provincia di Viterbo 8.3%
San Marino: 100% Croatia: 86% Bosnia and Herzegovina: 71% Slovenia: 96% Albania: 33%Cleanliness and tidiness
Provincia di Viterbo 25%
San Marino: 75% Croatia: 68% Bosnia and Herzegovina: 50% Slovenia: 87% Albania: 36%Noise and Light pollution
Provincia di Viterbo 25%
San Marino: 75% Croatia: 34% Bosnia and Herzegovina: 38% Slovenia: 37% Albania: 53%Water Pollution
Provincia di Viterbo 92%
San Marino: 0% Croatia: 25% Bosnia and Herzegovina: 45% Slovenia: 17% Albania: 68%CO 200 (Good)
carbon monoxide (CO)NO2 23 (Good)
nitrogen dioxide (NO2)PM10 29 (Moderate)
particulate matter (PM10) suspended dustNO2 6 (Good)
nitrogen dioxide (NO2)SO2 1.8 (Good)
sulfur dioxide (SO2)1 (Good)
index_name_no8 (Good)
index_name_noxIT0863A
| index | 2024-01-17 | 2024-01-16 | 2024-01-15 | 2024-01-14 | 2024-01-13 | 2024-01-12 | 2024-01-11 | 2024-01-10 |
|---|---|---|---|---|---|---|---|---|
| no2 | 9.7 | 31 | 31 | 27 | 26 | 16 | 17 | 16 |
| co | 150 | 305 | 394 | 264 | 260 | 114 | 175 | 156 |
IT2175A
| index | 2023-07-10 | 2023-07-08 | 2023-07-09 | 2023-07-11 | 2023-07-12 | 2023-07-13 |
|---|---|---|---|---|---|---|
| no2 | 9.7 | 7.1 | 6.3 | 12 | 12 | 13 |
| so2 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.9 |
| no | 1.3 | 0.77 | 0.63 | 2.1 | 1 | - |
| nox | 11 | 8.8 | 7.2 | 15 | 15 | - |
| pm10 | 27 | 19 | 22 | 29 | - | - |
Acquapendente
| index | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-09 | 2017-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 76 | 67 | 59 | 50 | 48 | 50 | 51 | 68 | 76 | 88 | 84 | 75 | 82 | 78 | 68 | 48 | 42 | 42 | 62 | 64 | 81 | 82 | 73 | 63 | 77 | 68 | 52 | 35 | 51 | 46 | 69 | 85 |
| pm10 | 19 | 15 | 14 | 20 | 15 | 9.8 | 14 | 13 | 16 | 16 | 20 | 8.1 | 18 | 15 | 15 | 16 | 16 | 13 | 16 | 13 | 16 | 16 | 12 | 13 | 18 | 13 | 16 | 19 | 14 | 15 | 12 | 14 |
| pm25 | 12 | 12 | 11 | 18 | 11 | 6.3 | 8.3 | 8.8 | 11 | 11 | 11 | 5.4 | 12 | 10 | 13 | 14 | 13 | 9.1 | 11 | 8.6 | 11 | 10 | 7.8 | 7.4 | 11 | 9.5 | 13 | 14 | 11 | 11 | 6.3 | 8 |
| no2 | 4 | 4.5 | 5.6 | 9.4 | 6.9 | 5.4 | 5.4 | 4.6 | 4.7 | 4 | 2.7 | 2.3 | 4.1 | 6 | 7.6 | 9.6 | 8.7 | 7.7 | 5.3 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Civita Castellana
| index | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-09 | 2017-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 20 | 20 | 27 | 40 | 25 | 15 | 18 | 16 | 16 | 17 | 25 | 10 | 20 | 20 | 26 | 22 | 23 | 19 | 19 | 18 | 17 | 17 | 14 | 15 | 23 | 19 | 23 | 32 | 21 | 24 | 14 | 15 |
| no2 | 3.1 | 8.3 | 20 | 25 | 18 | 15 | 14 | 9 | 8.2 | 8.7 | 8.5 | 7.6 | 12 | 13 | 16 | 16 | 23 | 23 | 15 | - | 4 | - | - | - | - | - | 37 | - | - | - | - | - |
| so2 | 0.4 | 0.41 | 0.51 | 0.6 | 0.42 | 0.36 | 0.41 | 0.41 | 0.34 | 0.4 | 0.35 | 0.35 | 0.45 | 0.48 | 0.52 | 2 | 0.67 | 0.72 | 0.42 | 0.2 | - | - | - | - | - | - | - | - | - | - | - | - |
Viterbo
| index | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-09 | 2017-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| co | 7.7 | 112 | 106 | 259 | 296 | 182 | 170 | 75 | 40 | 100 | 238 | 269 | 316 | 358 | 332 | 460 | 513 | 350 | 299 | 335 | 224 | 435 | 624 | 318 | 342 | 421 | 510 | 502 | 488 | 455 | 299 | 270 |
| o3 | 79 | 63 | 43 | 36 | 38 | 46 | 48 | 67 | 75 | 83 | 74 | 70 | 72 | 65 | 55 | 40 | 32 | 40 | 60 | 62 | 75 | 80 | 70 | 58 | 64 | 56 | 42 | 31 | 27 | 24 | 25 | 58 |
| pm10 | 18 | 16 | 20 | 23 | 18 | 13 | 16 | 14 | 16 | 17 | 22 | 10 | 20 | 19 | 18 | 18 | 21 | 15 | 18 | 16 | 16 | 17 | 14 | 15 | 22 | 19 | 18 | 25 | 17 | 19 | 15 | 16 |
| pm25 | 10 | 9.5 | 12 | 17 | 11 | 7.8 | 9.8 | 8.5 | 9.5 | 11 | 14 | 7.4 | 13 | 14 | 15 | 16 | 17 | 10 | 12 | 9 | 11 | 10 | 8.6 | 8.7 | 13 | 12 | 13 | 16 | 11 | 12 | 6.8 | 8.5 |
| no2 | 4.8 | 7.5 | 13 | 22 | 24 | 24 | 25 | 22 | 18 | 19 | 18 | 19 | 24 | 25 | 24 | 28 | 31 | 23 | 19 | - | - | - | - | - | - | - | - | 5.2 | 2.4 | 5.1 | - | - |
| so2 | 0.52 | 0.69 | 0.8 | 0.93 | 0.92 | 0.66 | 0.94 | 0.59 | 0.83 | 3.6 | 2.2 | 0.81 | 0.93 | 0.88 | 0.83 | 0.99 | 0.99 | 0.72 | 0.71 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Monte Romano
| index | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-09 | 2017-08 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 2.7 | 5.5 | 7 | 5.5 | 5.6 | 5.1 | 4.3 | 2.2 | 2.4 | 2.5 | 4.5 | 5.5 | 5.9 | 5.7 | 6.5 | 7.5 | 6.1 | 4.6 | - | - | - | - | - | - | - | - | - | - | - | 1.7 | 2.5 |
| pm10 | 16 | 16 | 19 | 16 | 12 | 15 | 16 | 18 | 19 | 24 | 9.8 | 19 | 17 | 16 | 13 | 16 | 14 | 18 | 17 | 18 | 19 | 15 | 15 | 20 | 15 | 15 | 20 | 13 | 15 | 16 | 19 |