Air Quality
Excellent
No health implications.
27
PM2.5
36
PM10
114
O3
0.8
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Sep
53
Good
Wed
16 Sep
50
Excellent
Thu
17 Sep
54
Good
Fri
18 Sep
62
Good
Sat
19 Sep
63
Good
Sun
20 Sep
76
Good
Mon
21 Sep
40
Excellent
Air quality in the last 12 months (HengZhou City)
|
2026/08
|
21
|
19
|
21
|
20
|
20
|
23
|
36
|
42
|
38
|
35
|
43
|
42
|
31
|
30
|
27
|
30
|
33
|
31
|
28
|
26
|
19
|
19
|
21
|
28
|
22
|
21
|
18
|
25
|
25
|
23
|
22
|
|
2026/07
|
22
|
26
|
19
|
15
|
14
|
13
|
13
|
15
|
22
|
23
|
22
|
31
|
29
|
34
|
21
|
19
|
23
|
28
|
33
|
25
|
19
|
31
|
26
|
33
|
49
|
50
|
42
|
25
|
21
|
16
|
17
|
|
2026/06
|
36
|
30
|
25
|
31
|
32
|
27
|
25
|
25
|
25
|
29
|
44
|
42
|
23
|
21
|
22
|
23
|
20
|
24
|
28
|
26
|
26
|
26
|
28
|
28
|
28
|
21
|
21
|
30
|
25
|
21
|
|
|
2026/05
|
43
|
42
|
25
|
25
|
43
|
38
|
26
|
20
|
30
|
42
|
47
|
40
|
21
|
34
|
40
|
21
|
17
|
19
|
20
|
23
|
20
|
21
|
27
|
29
|
27
|
33
|
32
|
35
|
34
|
29
|
36
|
|
2026/04
|
29
|
50
|
49
|
35
|
67
|
68
|
72
|
56
|
49
|
54
|
58
|
59
|
52
|
53
|
44
|
48
|
32
|
44
|
53
|
39
|
41
|
37
|
20
|
31
|
43
|
51
|
32
|
28
|
23
|
30
|
|
|
2026/03
|
29
|
32
|
18
|
24
|
41
|
43
|
55
|
70
|
51
|
19
|
36
|
49
|
65
|
54
|
54
|
50
|
41
|
39
|
49
|
45
|
39
|
66
|
59
|
47
|
58
|
42
|
44
|
63
|
51
|
36
|
39
|
|
2026/02
|
35
|
53
|
70
|
75
|
56
|
54
|
50
|
32
|
47
|
59
|
25
|
41
|
54
|
66
|
48
|
55
|
65
|
49
|
59
|
40
|
72
|
58
|
55
|
44
|
68
|
49
|
39
|
36
|
|||
|
2026/01
|
58
|
22
|
42
|
77
|
33
|
32
|
46
|
66
|
79
|
91
|
85
|
72
|
108
|
107
|
93
|
78
|
106
|
102
|
69
|
60
|
34
|
24
|
50
|
66
|
82
|
72
|
38
|
50
|
62
|
50
|
28
|
|
2025/12
|
76
|
63
|
70
|
85
|
80
|
83
|
100
|
69
|
85
|
91
|
97
|
108
|
35
|
48
|
58
|
60
|
58
|
60
|
68
|
58
|
68
|
70
|
61
|
23
|
25
|
48
|
57
|
77
|
88
|
76
|
74
|
|
2025/11
|
31
|
30
|
17
|
9
|
13
|
35
|
34
|
34
|
23
|
18
|
15
|
23
|
36
|
41
|
52
|
62
|
72
|
29
|
21
|
27
|
33
|
50
|
60
|
57
|
40
|
59
|
53
|
69
|
80
|
87
|
|
|
2025/10
|
37
|
26
|
21
|
30
|
27
|
11
|
20
|
35
|
39
|
41
|
44
|
40
|
27
|
23
|
20
|
30
|
46
|
47
|
28
|
18
|
16
|
15
|
21
|
34
|
44
|
46
|
44
|
42
|
55
|
49
|
39
|
|
2025/09
|
20
|
19
|
22
|
25
|
22
|
22
|
40
|
27
|
15
|
16
|
21
|
21
|
21
|
26
|
25
|
26
|
21
|
25
|
40
|
42
|
21
|
16
|
20
|
15
|
10
|
19
|
25
|
26
|
26
|
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