Air Quality
Excellent
No health implications.
21
PM2.5
43
PM10
54
O3
0.7
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
48
Excellent
Sun
28 Jul
37
Excellent
Mon
29 Jul
35
Excellent
Tue
30 Jul
34
Excellent
Wed
31 Jul
30
Excellent
Thu
1 Aug
30
Excellent
Fri
2 Aug
30
Excellent
Air quality in the last 12 months (HengZhou City)
|
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
|
|
2024/02
|
40
|
40
|
47
|
32
|
23
|
17
|
13
|
21
|
42
|
177
|
110
|
89
|
57
|
56
|
47
|
31
|
64
|
45
|
47
|
47
|
57
|
36
|
13
|
11
|
16
|
13
|
15
|
12
|
14
|
||
|
2024/01
|
95
|
66
|
26
|
52
|
74
|
118
|
80
|
65
|
49
|
32
|
40
|
40
|
50
|
66
|
70
|
69
|
60
|
61
|
63
|
37
|
31
|
18
|
31
|
37
|
46
|
63
|
44
|
29
|
22
|
34
|
60
|
|
2023/12
|
65
|
59
|
51
|
29
|
35
|
37
|
60
|
63
|
61
|
52
|
46
|
46
|
55
|
47
|
45
|
28
|
22
|
13
|
11
|
28
|
47
|
58
|
51
|
52
|
61
|
84
|
99
|
97
|
91
|
74
|
82
|
|
2023/11
|
58
|
64
|
54
|
49
|
37
|
39
|
38
|
51
|
36
|
39
|
39
|
19
|
10
|
20
|
35
|
23
|
50
|
59
|
69
|
77
|
83
|
80
|
82
|
78
|
68
|
78
|
67
|
68
|
80
|
51
|
|
|
2023/10
|
44
|
37
|
39
|
42
|
44
|
30
|
35
|
26
|
27
|
18
|
18
|
24
|
44
|
57
|
47
|
55
|
57
|
53
|
23
|
19
|
22
|
27
|
39
|
50
|
56
|
60
|
57
|
27
|
22
|
28
|
48
|
|
2023/09
|
37
|
34
|
22
|
21
|
32
|
44
|
29
|
24
|
19
|
17
|
14
|
15
|
19
|
18
|
16
|
19
|
28
|
25
|
28
|
31
|
28
|
42
|
42
|
46
|
34
|
39
|
48
|
40
|
37
|
36
|
|
|
2023/08
|
23
|
24
|
25
|
18
|
18
|
18
|
18
|
21
|
23
|
27
|
28
|
29
|
27
|
32
|
30
|
35
|
35
|
34
|
34
|
32
|
35
|
28
|
36
|
27
|
26
|
32
|
29
|
23
|
18
|
27
|
35
|
|
2023/07
|
32
|
29
|
24
|
29
|
25
|
23
|
25
|
24
|
27
|
31
|
28
|
31
|
26
|
35
|
47
|
50
|
51
|
22
|
21
|
24
|
27
|
31
|
29
|
29
|
29
|
40
|
55
|
57
|
33
|
35
|
21
|
|
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