Air Quality
Excellent
No health implications.
16
PM2.5
39
PM10
53
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
48
Excellent
Tue
24 Mar
46
Excellent
Wed
25 Mar
52
Good
Thu
26 Mar
50
Excellent
Fri
27 Mar
50
Excellent
Sat
28 Mar
50
Excellent
Sun
29 Mar
43
Excellent
Air quality in the last 12 months (Heishui)
|
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
|
|
2025/07
|
26
|
23
|
20
|
20
|
20
|
23
|
23
|
26
|
24
|
29
|
21
|
23
|
25
|
27
|
32
|
35
|
37
|
30
|
28
|
18
|
17
|
24
|
20
|
18
|
20
|
17
|
22
|
24
|
25
|
22
|
27
|
|
2025/06
|
27
|
26
|
34
|
30
|
35
|
43
|
39
|
34
|
33
|
28
|
28
|
36
|
38
|
42
|
36
|
36
|
38
|
26
|
24
|
30
|
28
|
25
|
26
|
20
|
24
|
29
|
33
|
35
|
28
|
21
|
|
|
2025/05
|
36
|
42
|
48
|
44
|
30
|
31
|
31
|
35
|
76
|
66
|
47
|
44
|
35
|
42
|
32
|
51
|
57
|
63
|
49
|
41
|
47
|
46
|
53
|
42
|
37
|
41
|
27
|
25
|
32
|
29
|
27
|
|
2025/04
|
45
|
50
|
56
|
53
|
46
|
34
|
42
|
50
|
52
|
48
|
34
|
71
|
78
|
53
|
54
|
57
|
47
|
60
|
56
|
45
|
47
|
49
|
44
|
29
|
27
|
24
|
25
|
32
|
27
|
32
|
|
|
2025/03
|
42
|
52
|
38
|
32
|
27
|
31
|
54
|
49
|
28
|
37
|
50
|
63
|
50
|
28
|
28
|
28
|
34
|
35
|
41
|
43
|
39
|
40
|
47
|
40
|
37
|
46
|
90
|
57
|
54
|
59
|
49
|
|
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