Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
31
O3
0.7
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
38
Excellent
Fri
24 Apr
55
Good
Sat
25 Apr
70
Good
Sun
26 Apr
54
Good
Mon
27 Apr
36
Excellent
Tue
28 Apr
36
Excellent
Wed
29 Apr
35
Excellent
Air quality in the last 12 months (HengZhou City)
|
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
|
|
|
2025/08
|
27
|
20
|
33
|
31
|
23
|
17
|
19
|
28
|
31
|
26
|
25
|
30
|
30
|
32
|
17
|
22
|
25
|
16
|
14
|
25
|
27
|
24
|
31
|
29
|
22
|
21
|
29
|
22
|
24
|
25
|
21
|
|
2025/07
|
19
|
22
|
23
|
21
|
35
|
34
|
25
|
25
|
27
|
34
|
28
|
22
|
24
|
27
|
24
|
26
|
29
|
33
|
43
|
25
|
12
|
11
|
13
|
19
|
27
|
30
|
41
|
37
|
29
|
40
|
29
|
|
2025/06
|
19
|
28
|
16
|
35
|
35
|
21
|
22
|
24
|
28
|
27
|
22
|
20
|
13
|
17
|
22
|
18
|
23
|
23
|
19
|
23
|
24
|
25
|
26
|
22
|
15
|
27
|
14
|
20
|
21
|
16
|
|
|
2025/05
|
29
|
45
|
30
|
33
|
31
|
29
|
37
|
26
|
19
|
28
|
32
|
45
|
40
|
25
|
18
|
23
|
21
|
24
|
24
|
24
|
22
|
23
|
22
|
12
|
35
|
38
|
49
|
48
|
17
|
21
|
21
|
|
2025/04
|
41
|
61
|
74
|
67
|
124
|
91
|
74
|
62
|
52
|
44
|
47
|
68
|
170
|
172
|
134
|
106
|
90
|
72
|
48
|
34
|
32
|
33
|
44
|
44
|
23
|
29
|
33
|
26
|
44
|
36
|
|
|
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