Air Pollution in San Antonio: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for San Antonio. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for San Antonio:- particulate matter (PM10) suspended dust - 7 (Good)
- nitrogen dioxide (NO2) - 2 (Good)
- particulate matter (PM2.5) dust - 5 (Good)
- ozone (O3) - 66 (Good)
- carbon monoxide (CO) - 200 (Good)
- sulfur dioxide (SO2) - 5 (Good)
What is the air quality in San Antonio today? Is the air polluted in San Antonio?. Is there smog?
What is the level of PM10 today in San Antonio? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Antonio is:
7 (Good)
The highest PM10 values usually occur in month: 53 (February 2019).
The lowest value of particulate matter PM10 pollution in San Antonio is usually recorded in: May (14).
How high is the level of NO2? (nitrogen dioxide (NO2))
2 (Good)
What is the current level of PM2.5 in San Antonio? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
5 (Good)
For comparison, the highest level of PM2.5 in San Antonio in the last 7 days was: 6 (Wednesday, May 24, 2023) and the lowest: 3 (Monday, May 29, 2023).
The highest PM2.5 values were recorded: 23 (October 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (4.6).
How is the O3 level today in San Antonio? (ozone (O3))
66 (Good)
How high is the CO level? (carbon monoxide (CO))
200 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
5 (Good)
Current data Wednesday, May 31, 2023, 4:00 AM
PM10 7 (Good)
NO2 2 (Good)
PM2,5 5 (Good)
O3 66 (Good)
CO 200 (Good)
SO2 5 (Good)
2 (Good)
Data on air pollution from recent days in San Antonio
index
2023-05-24
2023-05-25
2023-05-26
2023-05-27
2023-05-28
2023-05-29
2023-05-30
2023-05-31
co
200
Good
200
Good
200
Good
200
Good
200
Good
200
Good
200
Good
200
Good
so2
5
Good
5
Good
6
Good
6
Good
6
Good
5
Good
6
Good
5
Good
o3
85
Moderate
74
Moderate
76
Moderate
84
Moderate
76
Moderate
68
Good
77
Moderate
64
Good
no
3
Good
3
Good
3
Good
2
Good
2
Good
2
Good
2
Good
2
Good
no2
7
Good
7
Good
7
Good
2
Good
3
Good
4
Good
3
Good
2
Good
pm25
6
Good
6
Good
6
Good
5
Good
4
Good
3
Good
4
Good
5
Good
pm10
11
Good
10
Good
9
Good
8
Good
6
Good
6
Good
7
Good
7
Good
data source »
Air pollution in San Antonio from October 2017 to April 2020
index
2020-04
2020-03
2020-02
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
2018-01
2017-10
so2
5.1 (Good)
2.6 (Good)
- (Good)
1.9 (Good)
1.2 (Good)
3.4 (Good)
3.5 (Good)
2.3 (Good)
3.3 (Good)
3.1 (Good)
2.6 (Good)
3.1 (Good)
3.1 (Good)
1 (Good)
2.1 (Good)
4.2 (Good)
5 (Good)
5.9 (Good)
4.4 (Good)
6.9 (Good)
2.6 (Good)
o3
61 (Good)
60 (Good)
49 (Good)
21 (Good)
32 (Good)
52 (Good)
57 (Good)
74 (Moderate)
65 (Good)
63 (Good)
67 (Good)
55 (Good)
59 (Good)
60 (Good)
57 (Good)
53 (Good)
59 (Good)
60 (Good)
77 (Moderate)
60 (Good)
62 (Good)
no2
16 (Good)
19 (Good)
62 (Moderate)
- (Good)
4.3 (Good)
10 (Good)
10 (Good)
8.6 (Good)
13 (Good)
10 (Good)
8.1 (Good)
13 (Good)
8.1 (Good)
7 (Good)
15 (Good)
21 (Good)
7.1 (Good)
8.8 (Good)
13 (Good)
15 (Good)
15 (Good)
pm25
- (Good)
- (Good)
- (Good)
5 (Good)
5.8 (Good)
8.2 (Good)
11 (Good)
9.4 (Good)
10 (Good)
14 (Moderate)
8.9 (Good)
- (Good)
16 (Moderate)
23 (Moderate)
22 (Moderate)
17 (Moderate)
15 (Moderate)
9.4 (Good)
4.6 (Good)
4.7 (Good)
7.2 (Good)
pm10
- (Good)
- (Good)
- (Good)
20 (Good)
27 (Moderate)
39 (Moderate)
53 (Unhealthy for Sensitive Groups)
41 (Moderate)
43 (Moderate)
53 (Unhealthy for Sensitive Groups)
28 (Moderate)
- (Good)
19 (Good)
35 (Moderate)
46 (Moderate)
35 (Moderate)
28 (Moderate)
14 (Good)
14 (Good)
14 (Good)
19 (Good)
data source »
ES1956A
Wednesday, May 31, 2023, 4:00 AM
PM10 7 (Good)
particulate matter (PM10) suspended dust
NO2 2 (Good)
nitrogen dioxide (NO2)
PM2,5 5 (Good)
particulate matter (PM2.5) dust
O3 66 (Good)
ozone (O3)
CO 200 (Good)
carbon monoxide (CO)
SO2 5 (Good)
sulfur dioxide (SO2)
2 (Good)
index_name_no
ES1956A
index
2023-05-31
2023-05-30
2023-05-29
2023-05-28
2023-05-27
2023-05-26
2023-05-25
2023-05-24
co
200
200
200
200
200
200
200
200
so2
5
5.9
5.3
6
5.8
5.6
5.4
5.3
o3
64
77
68
76
84
76
74
85
no
2
2
2.1
2
2
2.7
2.7
2.5
no2
2
3
4.5
2.9
2.5
6.6
6.6
6.9
pm25
5
4.3
3.5
4
5
5.9
5.8
6.2
pm10
6.8
6.5
6
6.1
7.7
9.3
9.7
11
ES1956A
2017-10 2020-04
index
2020-04
2020-03
2020-02
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
2018-01
2017-10
pm25
-
-
-
5
5.8
8.2
11
9.4
10
14
8.9
-
16
23
22
17
15
9.4
4.6
4.7
7.2
pm10
-
-
-
20
27
39
53
41
43
53
28
-
19
35
46
35
28
14
14
14
19
so2
5.1
2.6
-
1.9
1.2
3.4
3.5
2.3
3.3
3.1
2.6
3.1
3.1
1
2.1
4.2
5
5.9
4.4
6.9
2.6
no2
16
19
62
-
4.3
10
10
8.6
13
10
8.1
13
8.1
7
15
21
7.1
8.8
13
15
15
o3
61
60
49
21
32
52
57
74
65
63
67
55
59
60
57
53
59
60
77
60
62
* Pollution data source:
https://openaq.org
(EEA Spain)
The data is licensed under CC-By 4.0
PM10 7 (Good)
NO2 2 (Good)
PM2,5 5 (Good)
O3 66 (Good)
CO 200 (Good)
SO2 5 (Good)
2 (Good)
Data on air pollution from recent days in San Antonio
| index | 2023-05-24 | 2023-05-25 | 2023-05-26 | 2023-05-27 | 2023-05-28 | 2023-05-29 | 2023-05-30 | 2023-05-31 |
|---|---|---|---|---|---|---|---|---|
| co | 200 Good |
200 Good |
200 Good |
200 Good |
200 Good |
200 Good |
200 Good |
200 Good |
| so2 | 5 Good |
5 Good |
6 Good |
6 Good |
6 Good |
5 Good |
6 Good |
5 Good |
| o3 | 85 Moderate |
74 Moderate |
76 Moderate |
84 Moderate |
76 Moderate |
68 Good |
77 Moderate |
64 Good |
| no | 3 Good |
3 Good |
3 Good |
2 Good |
2 Good |
2 Good |
2 Good |
2 Good |
| no2 | 7 Good |
7 Good |
7 Good |
2 Good |
3 Good |
4 Good |
3 Good |
2 Good |
| pm25 | 6 Good |
6 Good |
6 Good |
5 Good |
4 Good |
3 Good |
4 Good |
5 Good |
| pm10 | 11 Good |
10 Good |
9 Good |
8 Good |
6 Good |
6 Good |
7 Good |
7 Good |
| index | 2020-04 | 2020-03 | 2020-02 | 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 | 2018-01 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| so2 | 5.1 (Good) | 2.6 (Good) | - (Good) | 1.9 (Good) | 1.2 (Good) | 3.4 (Good) | 3.5 (Good) | 2.3 (Good) | 3.3 (Good) | 3.1 (Good) | 2.6 (Good) | 3.1 (Good) | 3.1 (Good) | 1 (Good) | 2.1 (Good) | 4.2 (Good) | 5 (Good) | 5.9 (Good) | 4.4 (Good) | 6.9 (Good) | 2.6 (Good) |
| o3 | 61 (Good) | 60 (Good) | 49 (Good) | 21 (Good) | 32 (Good) | 52 (Good) | 57 (Good) | 74 (Moderate) | 65 (Good) | 63 (Good) | 67 (Good) | 55 (Good) | 59 (Good) | 60 (Good) | 57 (Good) | 53 (Good) | 59 (Good) | 60 (Good) | 77 (Moderate) | 60 (Good) | 62 (Good) |
| no2 | 16 (Good) | 19 (Good) | 62 (Moderate) | - (Good) | 4.3 (Good) | 10 (Good) | 10 (Good) | 8.6 (Good) | 13 (Good) | 10 (Good) | 8.1 (Good) | 13 (Good) | 8.1 (Good) | 7 (Good) | 15 (Good) | 21 (Good) | 7.1 (Good) | 8.8 (Good) | 13 (Good) | 15 (Good) | 15 (Good) |
| pm25 | - (Good) | - (Good) | - (Good) | 5 (Good) | 5.8 (Good) | 8.2 (Good) | 11 (Good) | 9.4 (Good) | 10 (Good) | 14 (Moderate) | 8.9 (Good) | - (Good) | 16 (Moderate) | 23 (Moderate) | 22 (Moderate) | 17 (Moderate) | 15 (Moderate) | 9.4 (Good) | 4.6 (Good) | 4.7 (Good) | 7.2 (Good) |
| pm10 | - (Good) | - (Good) | - (Good) | 20 (Good) | 27 (Moderate) | 39 (Moderate) | 53 (Unhealthy for Sensitive Groups) | 41 (Moderate) | 43 (Moderate) | 53 (Unhealthy for Sensitive Groups) | 28 (Moderate) | - (Good) | 19 (Good) | 35 (Moderate) | 46 (Moderate) | 35 (Moderate) | 28 (Moderate) | 14 (Good) | 14 (Good) | 14 (Good) | 19 (Good) |
PM10 7 (Good)
particulate matter (PM10) suspended dustNO2 2 (Good)
nitrogen dioxide (NO2)PM2,5 5 (Good)
particulate matter (PM2.5) dustO3 66 (Good)
ozone (O3)CO 200 (Good)
carbon monoxide (CO)SO2 5 (Good)
sulfur dioxide (SO2)2 (Good)
index_name_noES1956A
| index | 2023-05-31 | 2023-05-30 | 2023-05-29 | 2023-05-28 | 2023-05-27 | 2023-05-26 | 2023-05-25 | 2023-05-24 |
|---|---|---|---|---|---|---|---|---|
| co | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 |
| so2 | 5 | 5.9 | 5.3 | 6 | 5.8 | 5.6 | 5.4 | 5.3 |
| o3 | 64 | 77 | 68 | 76 | 84 | 76 | 74 | 85 |
| no | 2 | 2 | 2.1 | 2 | 2 | 2.7 | 2.7 | 2.5 |
| no2 | 2 | 3 | 4.5 | 2.9 | 2.5 | 6.6 | 6.6 | 6.9 |
| pm25 | 5 | 4.3 | 3.5 | 4 | 5 | 5.9 | 5.8 | 6.2 |
| pm10 | 6.8 | 6.5 | 6 | 6.1 | 7.7 | 9.3 | 9.7 | 11 |
ES1956A
| index | 2020-04 | 2020-03 | 2020-02 | 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 | 2018-01 | 2017-10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | - | - | - | 5 | 5.8 | 8.2 | 11 | 9.4 | 10 | 14 | 8.9 | - | 16 | 23 | 22 | 17 | 15 | 9.4 | 4.6 | 4.7 | 7.2 |
| pm10 | - | - | - | 20 | 27 | 39 | 53 | 41 | 43 | 53 | 28 | - | 19 | 35 | 46 | 35 | 28 | 14 | 14 | 14 | 19 |
| so2 | 5.1 | 2.6 | - | 1.9 | 1.2 | 3.4 | 3.5 | 2.3 | 3.3 | 3.1 | 2.6 | 3.1 | 3.1 | 1 | 2.1 | 4.2 | 5 | 5.9 | 4.4 | 6.9 | 2.6 |
| no2 | 16 | 19 | 62 | - | 4.3 | 10 | 10 | 8.6 | 13 | 10 | 8.1 | 13 | 8.1 | 7 | 15 | 21 | 7.1 | 8.8 | 13 | 15 | 15 |
| o3 | 61 | 60 | 49 | 21 | 32 | 52 | 57 | 74 | 65 | 63 | 67 | 55 | 59 | 60 | 57 | 53 | 59 | 60 | 77 | 60 | 62 |