Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
26
PM2.5
53
*
PM10
110
O3
0.7
CO
6
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
55
Good
Wed
30 Apr
43
Excellent
Thu
1 May
57
Good
Fri
2 May
76
Good
Sat
3 May
68
Good
Sun
4 May
63
Good
Mon
5 May
30
Excellent
Air quality in the last 12 months (HengZhou City)
|
2025/02
|
54
|
32
|
14
|
43
|
73
|
48
|
15
|
41
|
59
|
85
|
106
|
42
|
51
|
106
|
75
|
37
|
41
|
33
|
72
|
71
|
33
|
51
|
16
|
43
|
135
|
43
|
52
|
56
|
|||
|
2025/01
|
125
|
119
|
94
|
100
|
110
|
132
|
117
|
101
|
79
|
40
|
49
|
72
|
97
|
103
|
71
|
69
|
80
|
86
|
111
|
116
|
114
|
96
|
85
|
68
|
52
|
18
|
46
|
60
|
214
|
91
|
49
|
|
2024/12
|
75
|
80
|
72
|
79
|
85
|
74
|
39
|
31
|
59
|
85
|
45
|
36
|
46
|
57
|
44
|
49
|
76
|
63
|
59
|
84
|
102
|
84
|
99
|
94
|
106
|
97
|
94
|
73
|
102
|
112
|
115
|
|
2024/11
|
44
|
51
|
73
|
66
|
64
|
69
|
62
|
64
|
66
|
61
|
70
|
71
|
74
|
71
|
51
|
54
|
55
|
37
|
26
|
24
|
27
|
33
|
44
|
55
|
62
|
24
|
36
|
38
|
54
|
67
|
|
|
2024/10
|
43
|
28
|
46
|
60
|
58
|
58
|
61
|
53
|
42
|
46
|
55
|
64
|
63
|
56
|
19
|
30
|
29
|
26
|
25
|
31
|
38
|
41
|
23
|
30
|
43
|
44
|
29
|
21
|
37
|
46
|
55
|
|
2024/09
|
27
|
30
|
27
|
39
|
45
|
33
|
11
|
19
|
24
|
23
|
32
|
39
|
46
|
49
|
40
|
34
|
24
|
32
|
41
|
42
|
35
|
19
|
30
|
39
|
38
|
44
|
56
|
45
|
32
|
38
|
|
|
2024/08
|
20
|
19
|
30
|
25
|
29
|
26
|
25
|
23
|
24
|
31
|
25
|
21
|
20
|
24
|
21
|
26
|
26
|
22
|
28
|
24
|
23
|
22
|
27
|
29
|
29
|
31
|
29
|
33
|
32
|
36
|
31
|
|
2024/07
|
21
|
13
|
18
|
25
|
19
|
17
|
18
|
19
|
21
|
24
|
20
|
24
|
23
|
24
|
25
|
25
|
20
|
19
|
20
|
21
|
28
|
22
|
15
|
19
|
21
|
35
|
29
|
26
|
19
|
12
|
11
|
|
2024/06
|
25
|
36
|
22
|
22
|
10
|
18
|
24
|
20
|
21
|
19
|
21
|
26
|
26
|
28
|
23
|
31
|
38
|
26
|
33
|
30
|
30
|
20
|
22
|
17
|
16
|
14
|
21
|
23
|
19
|
23
|
|
|
2024/05
|
20
|
25
|
31
|
32
|
23
|
36
|
33
|
40
|
28
|
34
|
35
|
29
|
43
|
60
|
45
|
56
|
53
|
48
|
18
|
16
|
23
|
26
|
49
|
43
|
29
|
17
|
28
|
18
|
32
|
27
|
13
|
|
2024/04
|
56
|
51
|
55
|
52
|
33
|
20
|
15
|
19
|
41
|
38
|
49
|
51
|
50
|
45
|
54
|
40
|
46
|
38
|
46
|
43
|
26
|
34
|
34
|
47
|
43
|
53
|
59
|
49
|
50
|
54
|
|
|
2024/03
|
40
|
57
|
54
|
42
|
56
|
53
|
72
|
72
|
50
|
20
|
23
|
47
|
43
|
23
|
34
|
53
|
56
|
55
|
25
|
66
|
82
|
50
|
46
|
50
|
49
|
52
|
55
|
40
|
60
|
53
|
44
|
|
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