Air Quality
Excellent
No health implications.
31
PM2.5
39
PM10
57
O3
0.4
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Apr
65
Good
Tue
22 Apr
47
Excellent
Wed
23 Apr
55
Good
Thu
24 Apr
54
Good
Fri
25 Apr
59
Good
Sat
26 Apr
19
Excellent
Sun
27 Apr
18
Excellent
Air quality in the last 12 months (Zhouning)
|
2025/02
|
31
|
16
|
23
|
52
|
47
|
45
|
37
|
50
|
32
|
44
|
44
|
57
|
81
|
81
|
57
|
59
|
64
|
49
|
35
|
21
|
15
|
31
|
20
|
59
|
86
|
57
|
54
|
37
|
|||
|
2025/01
|
80
|
55
|
51
|
48
|
42
|
53
|
67
|
66
|
59
|
47
|
36
|
38
|
43
|
49
|
70
|
54
|
49
|
44
|
39
|
44
|
77
|
86
|
62
|
37
|
34
|
33
|
24
|
40
|
102
|
49
|
42
|
|
2024/12
|
41
|
44
|
45
|
54
|
52
|
35
|
31
|
64
|
51
|
47
|
29
|
25
|
27
|
62
|
66
|
55
|
46
|
56
|
51
|
33
|
42
|
66
|
49
|
42
|
43
|
69
|
108
|
86
|
55
|
50
|
60
|
|
2024/11
|
11
|
13
|
30
|
44
|
52
|
40
|
28
|
31
|
36
|
37
|
27
|
31
|
34
|
34
|
24
|
14
|
19
|
18
|
15
|
19
|
29
|
30
|
38
|
35
|
27
|
19
|
30
|
28
|
37
|
39
|
|
|
2024/10
|
15
|
13
|
22
|
20
|
25
|
18
|
16
|
11
|
25
|
43
|
46
|
47
|
36
|
36
|
34
|
23
|
32
|
36
|
35
|
17
|
28
|
30
|
28
|
36
|
27
|
22
|
19
|
12
|
36
|
44
|
23
|
|
2024/09
|
32
|
34
|
27
|
24
|
23
|
20
|
17
|
17
|
17
|
32
|
37
|
38
|
18
|
19
|
24
|
22
|
19
|
22
|
20
|
24
|
22
|
13
|
10
|
15
|
17
|
20
|
20
|
28
|
37
|
24
|
|
|
2024/08
|
30
|
32
|
38
|
33
|
26
|
23
|
28
|
36
|
39
|
47
|
39
|
34
|
32
|
28
|
25
|
23
|
18
|
21
|
20
|
19
|
13
|
22
|
31
|
35
|
32
|
28
|
43
|
26
|
29
|
31
|
32
|
|
2024/07
|
25
|
23
|
28
|
30
|
34
|
33
|
29
|
28
|
28
|
30
|
33
|
35
|
34
|
36
|
23
|
19
|
26
|
28
|
27
|
28
|
28
|
17
|
15
|
11
|
10
|
11
|
12
|
17
|
13
|
17
|
23
|
|
2024/06
|
8
|
8
|
17
|
27
|
31
|
18
|
19
|
28
|
25
|
23
|
25
|
26
|
23
|
18
|
21
|
17
|
23
|
14
|
32
|
32
|
34
|
34
|
35
|
21
|
20
|
24
|
30
|
28
|
22
|
19
|
|
|
2024/05
|
15
|
25
|
30
|
35
|
43
|
30
|
40
|
46
|
43
|
30
|
39
|
44
|
33
|
30
|
33
|
41
|
28
|
38
|
33
|
27
|
16
|
18
|
29
|
27
|
19
|
26
|
25
|
20
|
27
|
28
|
38
|
|
2024/04
|
35
|
51
|
39
|
18
|
20
|
39
|
29
|
30
|
30
|
43
|
47
|
54
|
48
|
30
|
46
|
52
|
39
|
30
|
45
|
59
|
34
|
29
|
27
|
36
|
50
|
66
|
58
|
44
|
41
|
23
|
|
|
2024/03
|
23
|
33
|
38
|
45
|
63
|
20
|
43
|
61
|
62
|
56
|
37
|
45
|
91
|
74
|
50
|
38
|
38
|
42
|
35
|
46
|
53
|
56
|
56
|
64
|
48
|
27
|
39
|
52
|
38
|
52
|
66
|
|
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