Air Quality
Excellent
No health implications.
11
PM2.5
28
PM10
23
O3
0.4
CO
10
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
37
Excellent
Mon
30 Jun
34
Excellent
Tue
1 Jul
35
Excellent
Wed
2 Jul
37
Excellent
Thu
3 Jul
43
Excellent
Fri
4 Jul
45
Excellent
Sat
5 Jul
22
Excellent
Air quality in the last 12 months (HengZhou City)
|
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
|
|
|
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
|
|
|
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