Air Quality
Excellent
No health implications.
12
PM2.5
28
PM10
61
O3
0.4
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jun
45
Excellent
Mon
9 Jun
39
Excellent
Tue
10 Jun
48
Excellent
Wed
11 Jun
56
Good
Thu
12 Jun
68
Good
Fri
13 Jun
80
Good
Sat
14 Jun
37
Excellent
Air quality in the last 12 months (HengZhou City)
|
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
|
|
|
2025/03
|
34
|
28
|
40
|
41
|
33
|
17
|
33
|
34
|
33
|
60
|
48
|
36
|
32
|
38
|
21
|
25
|
52
|
38
|
39
|
59
|
79
|
77
|
72
|
61
|
51
|
45
|
42
|
64
|
26
|
11
|
21
|
|
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
|
|
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