Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
44
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Aug
29
Excellent
Wed
20 Aug
28
Excellent
Thu
21 Aug
25
Excellent
Fri
22 Aug
23
Excellent
Sat
23 Aug
25
Excellent
Sun
24 Aug
34
Excellent
Mon
25 Aug
35
Excellent
Air quality in the last 12 months (Weng'an)
|
2025/06
|
20
|
16
|
22
|
25
|
30
|
31
|
36
|
42
|
36
|
26
|
28
|
30
|
29
|
20
|
27
|
29
|
21
|
19
|
15
|
16
|
21
|
17
|
16
|
13
|
15
|
17
|
16
|
14
|
16
|
15
|
|
|
2025/05
|
41
|
53
|
45
|
25
|
32
|
30
|
25
|
26
|
33
|
24
|
37
|
36
|
32
|
45
|
46
|
38
|
39
|
41
|
54
|
34
|
25
|
22
|
30
|
49
|
38
|
28
|
13
|
12
|
18
|
22
|
16
|
|
2025/04
|
35
|
45
|
55
|
61
|
60
|
59
|
69
|
69
|
72
|
54
|
55
|
99
|
180
|
90
|
70
|
66
|
55
|
55
|
24
|
25
|
35
|
25
|
41
|
25
|
35
|
32
|
21
|
31
|
41
|
20
|
|
|
2025/03
|
42
|
54
|
53
|
26
|
20
|
28
|
34
|
40
|
24
|
30
|
33
|
50
|
41
|
25
|
21
|
32
|
37
|
30
|
36
|
46
|
55
|
60
|
58
|
56
|
61
|
65
|
66
|
73
|
24
|
24
|
34
|
|
2025/02
|
24
|
17
|
33
|
41
|
46
|
33
|
30
|
56
|
56
|
50
|
37
|
47
|
52
|
23
|
30
|
42
|
34
|
29
|
22
|
18
|
30
|
20
|
24
|
45
|
29
|
40
|
32
|
35
|
|||
|
2025/01
|
86
|
85
|
80
|
88
|
94
|
75
|
65
|
50
|
30
|
44
|
54
|
52
|
50
|
64
|
64
|
73
|
61
|
59
|
61
|
74
|
78
|
90
|
97
|
79
|
23
|
22
|
43
|
49
|
108
|
47
|
39
|
|
2024/12
|
64
|
81
|
58
|
56
|
18
|
23
|
22
|
42
|
28
|
12
|
17
|
45
|
60
|
56
|
53
|
54
|
64
|
60
|
68
|
91
|
106
|
82
|
82
|
80
|
80
|
68
|
71
|
80
|
76
|
64
|
58
|
|
2024/11
|
50
|
38
|
50
|
48
|
50
|
56
|
44
|
46
|
42
|
39
|
38
|
41
|
53
|
50
|
63
|
61
|
33
|
12
|
12
|
15
|
13
|
21
|
34
|
18
|
13
|
17
|
29
|
32
|
36
|
46
|
|
|
2024/10
|
13
|
15
|
32
|
35
|
37
|
48
|
43
|
28
|
33
|
45
|
55
|
60
|
47
|
22
|
26
|
25
|
20
|
24
|
14
|
13
|
17
|
15
|
18
|
17
|
21
|
32
|
43
|
39
|
30
|
34
|
44
|
|
2024/09
|
23
|
19
|
16
|
17
|
28
|
33
|
29
|
20
|
14
|
19
|
23
|
26
|
34
|
26
|
22
|
32
|
27
|
25
|
26
|
31
|
26
|
18
|
28
|
32
|
35
|
42
|
45
|
38
|
27
|
18
|
|
|
2024/08
|
9
|
8
|
11
|
10
|
14
|
17
|
18
|
18
|
19
|
21
|
27
|
46
|
46
|
34
|
30
|
29
|
26
|
23
|
26
|
25
|
22
|
17
|
13
|
11
|
12
|
18
|
19
|
23
|
26
|
28
|
22
|
|
2024/07
|
15
|
22
|
12
|
10
|
13
|
11
|
12
|
14
|
17
|
17
|
14
|
17
|
16
|
13
|
11
|
13
|
13
|
11
|
9
|
10
|
9
|
15
|
13
|
11
|
19
|
26
|
23
|
24
|
13
|
10
|
9
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution