Air Pollution in Leominster: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Leominster. Today is Sunday, May 19, 2024. The following air pollution values have been recorded for Leominster:- nitrogen dioxide (NO2) - 1 (Good)
- ozone (O3) - 93 (Moderate)
What is the air quality in Leominster today? Is the air polluted in Leominster?. Is there smog?
Today (Tuesday, April 16, 2024) air quality is moderate in Leominster.
Some pollutants in Leominster may slightly affect very few hypersensitive individuals. Air pollutants in Leominster may cause minor breathing discomfort to sensitive people.
How high is the level of NO2? (nitrogen dioxide (NO2))
1 (Good)
How is the O3 level today in Leominster? (ozone (O3))
93 (Moderate)
Current data Tuesday, April 16, 2024, 1:00 AM
NO2 1 (Good)
O3 93 (Moderate)
Data on air pollution from recent days in Leominster
index
2024-04-10
2024-04-11
2024-04-12
2024-04-13
2024-04-14
2024-04-15
2024-04-16
no2
1
Good
1
Good
1
Good
3
Good
1
Good
1
Good
1
Good
o3
71
Moderate
74
Moderate
81
Moderate
75
Moderate
84
Moderate
96
Moderate
94
Moderate
data source »
Air pollution in Leominster from February 2016 to May 2020
index
2020-05
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
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
o3
68 (Good)
73 (Moderate)
71 (Moderate)
72 (Moderate)
57 (Good)
49 (Good)
40 (Good)
41 (Good)
47 (Good)
50 (Good)
50 (Good)
56 (Good)
61 (Good)
69 (Good)
68 (Good)
47 (Good)
43 (Good)
47 (Good)
41 (Good)
42 (Good)
45 (Good)
41 (Good)
62 (Good)
60 (Good)
75 (Moderate)
65 (Good)
63 (Good)
53 (Good)
52 (Good)
52 (Good)
50 (Good)
43 (Good)
40 (Good)
49 (Good)
55 (Good)
60 (Good)
62 (Good)
59 (Good)
52 (Good)
56 (Good)
52 (Good)
61 (Good)
87 (Moderate)
73 (Moderate)
66 (Good)
54 (Good)
no2
5.7 (Good)
6.8 (Good)
6.9 (Good)
5.2 (Good)
9.2 (Good)
13 (Good)
13 (Good)
8.7 (Good)
5 (Good)
3.6 (Good)
2.7 (Good)
4.1 (Good)
5.2 (Good)
7.7 (Good)
5.2 (Good)
13 (Good)
14 (Good)
9.4 (Good)
12 (Good)
8.5 (Good)
5.9 (Good)
4 (Good)
5.8 (Good)
4.2 (Good)
7 (Good)
8 (Good)
7 (Good)
11 (Good)
10 (Good)
8 (Good)
12 (Good)
3.8 (Good)
3.9 (Good)
4.9 (Good)
3.4 (Good)
6.4 (Good)
6.2 (Good)
9.4 (Good)
9.3 (Good)
4 (Good)
2.9 (Good)
6 (Good)
8.2 (Good)
6.5 (Good)
11 (Good)
18 (Good)
data source »
Leominster
Tuesday, April 16, 2024, 1:00 AM
NO2 1 (Good)
nitrogen dioxide (NO2)
O3 93 (Moderate)
ozone (O3)
Leominster
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
no2
1
1.2
0.91
2.5
1.2
0.89
1.5
o3
94
96
84
75
81
74
71
Leominster
index
2020-05
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
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
o3
68
73
71
72
57
49
40
41
47
50
50
56
61
69
68
47
43
47
41
42
45
41
62
60
75
65
63
53
52
52
50
43
40
49
55
60
62
59
52
56
52
61
87
73
66
54
no2
5.7
6.8
6.9
5.2
9.2
13
13
8.7
5
3.6
2.7
4.1
5.2
7.7
5.2
13
14
9.4
12
8.5
5.9
4
5.8
4.2
7
8
7
11
10
8
12
3.8
3.9
4.9
3.4
6.4
6.2
9.4
9.3
4
2.9
6
8.2
6.5
11
18
* Pollution data source:
https://openaq.org
(DEFRA)
The data is licensed under CC-By 4.0
NO2 1 (Good)
O3 93 (Moderate)
Data on air pollution from recent days in Leominster
| index | 2024-04-10 | 2024-04-11 | 2024-04-12 | 2024-04-13 | 2024-04-14 | 2024-04-15 | 2024-04-16 |
|---|---|---|---|---|---|---|---|
| no2 | 1 Good |
1 Good |
1 Good |
3 Good |
1 Good |
1 Good |
1 Good |
| o3 | 71 Moderate |
74 Moderate |
81 Moderate |
75 Moderate |
84 Moderate |
96 Moderate |
94 Moderate |
| index | 2020-05 | 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 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 68 (Good) | 73 (Moderate) | 71 (Moderate) | 72 (Moderate) | 57 (Good) | 49 (Good) | 40 (Good) | 41 (Good) | 47 (Good) | 50 (Good) | 50 (Good) | 56 (Good) | 61 (Good) | 69 (Good) | 68 (Good) | 47 (Good) | 43 (Good) | 47 (Good) | 41 (Good) | 42 (Good) | 45 (Good) | 41 (Good) | 62 (Good) | 60 (Good) | 75 (Moderate) | 65 (Good) | 63 (Good) | 53 (Good) | 52 (Good) | 52 (Good) | 50 (Good) | 43 (Good) | 40 (Good) | 49 (Good) | 55 (Good) | 60 (Good) | 62 (Good) | 59 (Good) | 52 (Good) | 56 (Good) | 52 (Good) | 61 (Good) | 87 (Moderate) | 73 (Moderate) | 66 (Good) | 54 (Good) |
| no2 | 5.7 (Good) | 6.8 (Good) | 6.9 (Good) | 5.2 (Good) | 9.2 (Good) | 13 (Good) | 13 (Good) | 8.7 (Good) | 5 (Good) | 3.6 (Good) | 2.7 (Good) | 4.1 (Good) | 5.2 (Good) | 7.7 (Good) | 5.2 (Good) | 13 (Good) | 14 (Good) | 9.4 (Good) | 12 (Good) | 8.5 (Good) | 5.9 (Good) | 4 (Good) | 5.8 (Good) | 4.2 (Good) | 7 (Good) | 8 (Good) | 7 (Good) | 11 (Good) | 10 (Good) | 8 (Good) | 12 (Good) | 3.8 (Good) | 3.9 (Good) | 4.9 (Good) | 3.4 (Good) | 6.4 (Good) | 6.2 (Good) | 9.4 (Good) | 9.3 (Good) | 4 (Good) | 2.9 (Good) | 6 (Good) | 8.2 (Good) | 6.5 (Good) | 11 (Good) | 18 (Good) |
NO2 1 (Good)
nitrogen dioxide (NO2)O3 93 (Moderate)
ozone (O3)Leominster
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 |
|---|---|---|---|---|---|---|---|
| no2 | 1 | 1.2 | 0.91 | 2.5 | 1.2 | 0.89 | 1.5 |
| o3 | 94 | 96 | 84 | 75 | 81 | 74 | 71 |
Leominster
| index | 2020-05 | 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 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 68 | 73 | 71 | 72 | 57 | 49 | 40 | 41 | 47 | 50 | 50 | 56 | 61 | 69 | 68 | 47 | 43 | 47 | 41 | 42 | 45 | 41 | 62 | 60 | 75 | 65 | 63 | 53 | 52 | 52 | 50 | 43 | 40 | 49 | 55 | 60 | 62 | 59 | 52 | 56 | 52 | 61 | 87 | 73 | 66 | 54 |
| no2 | 5.7 | 6.8 | 6.9 | 5.2 | 9.2 | 13 | 13 | 8.7 | 5 | 3.6 | 2.7 | 4.1 | 5.2 | 7.7 | 5.2 | 13 | 14 | 9.4 | 12 | 8.5 | 5.9 | 4 | 5.8 | 4.2 | 7 | 8 | 7 | 11 | 10 | 8 | 12 | 3.8 | 3.9 | 4.9 | 3.4 | 6.4 | 6.2 | 9.4 | 9.3 | 4 | 2.9 | 6 | 8.2 | 6.5 | 11 | 18 |