Air Quality
Excellent
No health implications.
11
PM2.5
28
PM10
65
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
53
Good
Fri
21 Aug
56
Good
Sat
22 Aug
56
Good
Sun
23 Aug
63
Good
Mon
24 Aug
57
Good
Tue
25 Aug
57
Good
Wed
26 Aug
19
Excellent
Air quality in the last 12 months (Heishui)
|
2026/07
|
36
|
40
|
34
|
36
|
40
|
40
|
40
|
37
|
40
|
30
|
24
|
22
|
29
|
28
|
29
|
30
|
22
|
30
|
33
|
36
|
39
|
36
|
41
|
38
|
41
|
36
|
28
|
28
|
29
|
22
|
21
|
|
2026/06
|
38
|
36
|
39
|
48
|
41
|
42
|
29
|
26
|
28
|
36
|
28
|
32
|
31
|
40
|
37
|
33
|
29
|
31
|
35
|
26
|
24
|
26
|
23
|
23
|
23
|
27
|
26
|
32
|
34
|
32
|
|
|
2026/05
|
28
|
33
|
38
|
42
|
41
|
39
|
45
|
32
|
41
|
52
|
53
|
47
|
41
|
43
|
27
|
29
|
32
|
31
|
37
|
36
|
37
|
30
|
28
|
28
|
26
|
32
|
34
|
37
|
36
|
38
|
40
|
|
2026/04
|
38
|
37
|
48
|
54
|
49
|
39
|
29
|
27
|
37
|
33
|
30
|
34
|
34
|
32
|
32
|
33
|
38
|
41
|
75
|
76
|
32
|
35
|
53
|
52
|
52
|
49
|
35
|
29
|
33
|
33
|
|
|
2026/03
|
27
|
27
|
32
|
38
|
46
|
47
|
40
|
34
|
29
|
31
|
36
|
38
|
27
|
28
|
45
|
29
|
25
|
30
|
38
|
44
|
39
|
43
|
36
|
37
|
33
|
31
|
42
|
41
|
31
|
25
|
37
|
|
2026/02
|
55
|
55
|
53
|
47
|
57
|
56
|
43
|
33
|
28
|
47
|
47
|
44
|
52
|
51
|
50
|
33
|
50
|
40
|
43
|
38
|
34
|
39
|
51
|
41
|
39
|
43
|
37
|
26
|
|||
|
2026/01
|
42
|
37
|
26
|
37
|
43
|
40
|
48
|
51
|
57
|
64
|
72
|
73
|
81
|
64
|
55
|
55
|
60
|
66
|
41
|
35
|
38
|
47
|
47
|
52
|
59
|
93
|
82
|
70
|
58
|
47
|
53
|
|
2025/12
|
62
|
57
|
44
|
40
|
48
|
49
|
49
|
54
|
60
|
51
|
62
|
52
|
52
|
52
|
55
|
68
|
69
|
73
|
79
|
52
|
43
|
41
|
45
|
48
|
52
|
44
|
59
|
63
|
54
|
60
|
46
|
|
2025/11
|
29
|
29
|
29
|
25
|
22
|
21
|
26
|
39
|
38
|
27
|
31
|
37
|
38
|
38
|
35
|
34
|
36
|
30
|
35
|
47
|
51
|
56
|
46
|
54
|
59
|
55
|
55
|
59
|
59
|
58
|
|
|
2025/10
|
21
|
24
|
21
|
19
|
24
|
19
|
19
|
21
|
23
|
22
|
15
|
21
|
22
|
28
|
29
|
32
|
26
|
27
|
25
|
19
|
17
|
16
|
18
|
16
|
20
|
29
|
29
|
30
|
27
|
31
|
36
|
|
2025/09
|
25
|
24
|
28
|
28
|
27
|
37
|
41
|
33
|
32
|
24
|
18
|
23
|
30
|
33
|
32
|
17
|
19
|
15
|
20
|
25
|
18
|
18
|
22
|
28
|
33
|
35
|
26
|
18
|
20
|
23
|
|
|
2025/08
|
31
|
31
|
33
|
32
|
29
|
25
|
24
|
25
|
17
|
18
|
26
|
31
|
26
|
27
|
27
|
24
|
22
|
21
|
20
|
18
|
19
|
17
|
20
|
22
|
21
|
25
|
23
|
19
|
16
|
20
|
22
|
|
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