Air Quality
Excellent
No health implications.
18
PM2.5
36
PM10
66
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
44
Excellent
Fri
26 Apr
58
Good
Sat
27 Apr
46
Excellent
Sun
28 Apr
49
Excellent
Mon
29 Apr
48
Excellent
Tue
30 Apr
44
Excellent
Air quality in the last 12 months (Weng'an)
|
2024/02
|
28
|
15
|
14
|
21
|
22
|
22
|
33
|
48
|
67
|
180
|
66
|
40
|
43
|
49
|
59
|
37
|
40
|
42
|
50
|
50
|
30
|
19
|
21
|
21
|
18
|
27
|
44
|
46
|
47
|
||
|
2024/01
|
56
|
38
|
40
|
43
|
60
|
74
|
43
|
40
|
60
|
54
|
60
|
73
|
57
|
42
|
49
|
43
|
34
|
23
|
15
|
19
|
25
|
30
|
40
|
43
|
53
|
51
|
52
|
48
|
53
|
41
|
32
|
|
2023/12
|
59
|
41
|
43
|
41
|
48
|
48
|
59
|
50
|
68
|
53
|
39
|
23
|
29
|
29
|
35
|
24
|
29
|
21
|
34
|
37
|
48
|
64
|
71
|
70
|
67
|
62
|
80
|
79
|
100
|
90
|
86
|
|
2023/11
|
40
|
39
|
52
|
49
|
32
|
30
|
31
|
23
|
30
|
16
|
14
|
12
|
26
|
31
|
21
|
29
|
50
|
56
|
64
|
57
|
42
|
53
|
74
|
73
|
58
|
51
|
45
|
48
|
54
|
46
|
|
|
2023/10
|
25
|
24
|
25
|
26
|
17
|
14
|
17
|
20
|
25
|
29
|
28
|
34
|
26
|
21
|
29
|
37
|
40
|
35
|
32
|
25
|
30
|
33
|
43
|
42
|
37
|
40
|
21
|
24
|
27
|
31
|
33
|
|
2023/09
|
38
|
40
|
36
|
27
|
31
|
33
|
30
|
28
|
26
|
27
|
28
|
21
|
23
|
27
|
34
|
36
|
22
|
16
|
16
|
22
|
16
|
14
|
20
|
25
|
27
|
29
|
28
|
31
|
29
|
28
|
|
|
2023/08
|
20
|
15
|
15
|
23
|
27
|
23
|
20
|
18
|
17
|
20
|
25
|
27
|
26
|
23
|
21
|
21
|
23
|
29
|
37
|
41
|
35
|
29
|
23
|
15
|
17
|
17
|
19
|
24
|
23
|
29
|
33
|
|
2023/07
|
23
|
23
|
20
|
20
|
23
|
17
|
20
|
20
|
18
|
20
|
23
|
24
|
23
|
23
|
33
|
39
|
38
|
31
|
17
|
20
|
17
|
21
|
21
|
25
|
23
|
23
|
24
|
22
|
23
|
25
|
21
|
|
2023/06
|
26
|
28
|
27
|
29
|
24
|
28
|
37
|
35
|
35
|
38
|
47
|
33
|
30
|
30
|
31
|
30
|
28
|
24
|
21
|
31
|
28
|
22
|
29
|
23
|
27
|
30
|
18
|
18
|
20
|
23
|
|
|
2023/05
|
51
|
50
|
36
|
39
|
42
|
23
|
19
|
31
|
25
|
19
|
21
|
29
|
48
|
58
|
59
|
43
|
48
|
48
|
44
|
27
|
37
|
26
|
28
|
34
|
29
|
28
|
27
|
26
|
24
|
30
|
32
|
|
2023/04
|
40
|
54
|
60
|
56
|
23
|
19
|
27
|
63
|
66
|
48
|
45
|
54
|
53
|
36
|
50
|
50
|
53
|
36
|
32
|
29
|
34
|
50
|
16
|
17
|
21
|
31
|
35
|
39
|
56
|
63
|
|
|
2023/03
|
92
|
68
|
55
|
51
|
52
|
61
|
70
|
51
|
44
|
45
|
62
|
53
|
42
|
51
|
69
|
46
|
37
|
22
|
17
|
17
|
25
|
31
|
20
|
16
|
25
|
28
|
41
|
40
|
42
|
39
|
33
|
|
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