Air Quality
Excellent
No health implications.
11
PM2.5
26
PM10
49
O3
0.6
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
59
Good
Sun
13 Jul
62
Good
Mon
14 Jul
67
Good
Tue
15 Jul
68
Good
Wed
16 Jul
70
Good
Thu
17 Jul
75
Good
Fri
18 Jul
35
Excellent
Air quality in the last 12 months (Heishui)
|
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
|
|
2025/02
|
27
|
29
|
34
|
33
|
28
|
32
|
30
|
26
|
27
|
32
|
44
|
45
|
38
|
39
|
40
|
37
|
30
|
29
|
28
|
31
|
26
|
22
|
28
|
24
|
26
|
31
|
39
|
41
|
|||
|
2025/01
|
64
|
60
|
61
|
68
|
54
|
49
|
38
|
40
|
43
|
38
|
34
|
46
|
46
|
43
|
42
|
31
|
46
|
40
|
54
|
61
|
64
|
70
|
74
|
49
|
38
|
55
|
41
|
59
|
118
|
44
|
40
|
|
2024/12
|
59
|
61
|
54
|
40
|
40
|
36
|
33
|
21
|
22
|
30
|
38
|
33
|
33
|
38
|
46
|
55
|
65
|
65
|
55
|
44
|
46
|
32
|
36
|
42
|
47
|
49
|
58
|
54
|
46
|
48
|
50
|
|
2024/11
|
27
|
30
|
29
|
22
|
29
|
33
|
34
|
42
|
31
|
21
|
31
|
23
|
24
|
29
|
28
|
25
|
21
|
21
|
20
|
27
|
30
|
37
|
29
|
21
|
34
|
35
|
34
|
40
|
40
|
48
|
|
|
2024/10
|
24
|
28
|
24
|
23
|
27
|
33
|
32
|
31
|
28
|
25
|
26
|
24
|
29
|
34
|
32
|
30
|
23
|
31
|
20
|
20
|
25
|
27
|
36
|
40
|
29
|
23
|
28
|
36
|
33
|
30
|
27
|
|
2024/09
|
24
|
28
|
22
|
26
|
16
|
18
|
18
|
25
|
23
|
15
|
17
|
20
|
21
|
19
|
17
|
22
|
24
|
27
|
24
|
26
|
21
|
26
|
30
|
32
|
34
|
37
|
44
|
36
|
23
|
22
|
|
|
2024/08
|
29
|
32
|
21
|
18
|
22
|
25
|
19
|
20
|
30
|
34
|
32
|
31
|
31
|
36
|
21
|
27
|
23
|
23
|
28
|
31
|
28
|
33
|
32
|
27
|
31
|
23
|
27
|
27
|
23
|
21
|
25
|
|
2024/07
|
18
|
27
|
20
|
20
|
19
|
34
|
17
|
14
|
15
|
19
|
24
|
25
|
19
|
15
|
15
|
19
|
18
|
17
|
21
|
16
|
19
|
19
|
20
|
20
|
31
|
38
|
26
|
24
|
21
|
24
|
27
|
|
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