Air Quality
Excellent
No health implications.
12
PM2.5
27
PM10
24
O3
0.4
CO
8
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Sep
51
Good
Tue
23 Sep
57
Good
Wed
24 Sep
53
Good
Thu
25 Sep
49
Excellent
Fri
26 Sep
55
Good
Sat
27 Sep
30
Excellent
Sun
28 Sep
28
Excellent
Air quality in the last 12 months (Huanan)
|
2025/08
|
20
|
20
|
18
|
15
|
18
|
14
|
16
|
14
|
18
|
13
|
16
|
28
|
29
|
12
|
15
|
14
|
16
|
17
|
15
|
14
|
16
|
14
|
17
|
14
|
15
|
13
|
18
|
18
|
18
|
17
|
33
|
|
2025/07
|
17
|
15
|
13
|
20
|
18
|
16
|
18
|
19
|
16
|
13
|
16
|
16
|
18
|
13
|
15
|
17
|
15
|
17
|
18
|
14
|
17
|
28
|
20
|
22
|
16
|
16
|
22
|
18
|
18
|
10
|
15
|
|
2025/06
|
51
|
27
|
17
|
12
|
15
|
17
|
16
|
21
|
25
|
18
|
16
|
19
|
21
|
26
|
19
|
21
|
12
|
21
|
21
|
15
|
11
|
10
|
30
|
35
|
43
|
41
|
34
|
37
|
22
|
26
|
|
|
2025/05
|
41
|
37
|
25
|
24
|
32
|
35
|
38
|
26
|
30
|
26
|
46
|
65
|
56
|
37
|
24
|
29
|
33
|
17
|
26
|
27
|
33
|
25
|
21
|
22
|
13
|
24
|
33
|
33
|
44
|
58
|
50
|
|
2025/04
|
50
|
48
|
55
|
51
|
53
|
38
|
34
|
53
|
66
|
104
|
118
|
97
|
51
|
31
|
31
|
47
|
75
|
61
|
26
|
53
|
61
|
39
|
28
|
33
|
35
|
19
|
32
|
28
|
30
|
42
|
|
|
2025/03
|
25
|
32
|
28
|
40
|
49
|
49
|
45
|
46
|
59
|
61
|
71
|
55
|
25
|
24
|
25
|
29
|
31
|
37
|
39
|
77
|
52
|
18
|
29
|
38
|
43
|
53
|
34
|
20
|
24
|
24
|
37
|
|
2025/02
|
59
|
82
|
79
|
65
|
38
|
38
|
45
|
44
|
41
|
56
|
65
|
77
|
44
|
39
|
45
|
36
|
34
|
25
|
30
|
44
|
44
|
40
|
37
|
38
|
42
|
32
|
50
|
60
|
|||
|
2025/01
|
87
|
87
|
83
|
78
|
90
|
75
|
75
|
61
|
46
|
59
|
79
|
78
|
89
|
89
|
61
|
50
|
78
|
91
|
119
|
124
|
136
|
138
|
122
|
95
|
101
|
120
|
65
|
39
|
57
|
54
|
54
|
|
2024/12
|
45
|
35
|
26
|
23
|
27
|
31
|
34
|
41
|
52
|
61
|
43
|
39
|
46
|
51
|
38
|
34
|
44
|
42
|
44
|
60
|
67
|
68
|
49
|
34
|
51
|
35
|
32
|
47
|
42
|
58
|
68
|
|
2024/11
|
72
|
58
|
50
|
48
|
62
|
33
|
50
|
53
|
60
|
53
|
76
|
94
|
112
|
101
|
88
|
50
|
29
|
31
|
53
|
75
|
82
|
43
|
36
|
42
|
49
|
36
|
32
|
44
|
43
|
31
|
|
|
2024/10
|
17
|
33
|
28
|
46
|
54
|
43
|
40
|
57
|
54
|
52
|
35
|
33
|
49
|
60
|
31
|
37
|
52
|
42
|
36
|
37
|
47
|
39
|
50
|
52
|
72
|
61
|
45
|
59
|
59
|
57
|
60
|
|
2024/09
|
19
|
21
|
31
|
29
|
20
|
18
|
22
|
33
|
34
|
20
|
27
|
49
|
27
|
38
|
24
|
39
|
36
|
35
|
32
|
23
|
21
|
22
|
31
|
30
|
30
|
23
|
31
|
36
|
44
|
36
|
|
|
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