Air Quality
Excellent
No health implications.
9
PM2.5
31
PM10
66
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
45
Excellent
Fri
3 May
53
Good
Sat
4 May
68
Good
Sun
5 May
86
Good
Mon
6 May
89
Good
Tue
7 May
89
Good
Air quality in the last 12 months (Chongzhou)
|
2024/02
|
66
|
46
|
22
|
25
|
37
|
39
|
52
|
64
|
67
|
165
|
101
|
104
|
95
|
83
|
36
|
35
|
51
|
60
|
110
|
196
|
47
|
56
|
31
|
46
|
61
|
70
|
68
|
60
|
32
|
||
|
2024/01
|
189
|
90
|
82
|
70
|
75
|
85
|
111
|
133
|
102
|
109
|
140
|
155
|
176
|
121
|
96
|
50
|
52
|
86
|
59
|
37
|
29
|
36
|
38
|
29
|
42
|
54
|
64
|
78
|
99
|
104
|
98
|
|
2023/12
|
45
|
54
|
81
|
100
|
90
|
66
|
88
|
124
|
127
|
167
|
119
|
65
|
56
|
68
|
44
|
50
|
60
|
59
|
63
|
60
|
68
|
93
|
103
|
62
|
95
|
114
|
147
|
184
|
159
|
177
|
210
|
|
2023/11
|
72
|
76
|
49
|
56
|
44
|
45
|
61
|
72
|
75
|
86
|
35
|
28
|
24
|
32
|
37
|
47
|
61
|
82
|
95
|
104
|
110
|
65
|
87
|
124
|
104
|
39
|
60
|
74
|
64
|
52
|
|
|
2023/10
|
46
|
29
|
33
|
30
|
20
|
14
|
23
|
25
|
22
|
36
|
28
|
20
|
24
|
32
|
41
|
56
|
62
|
30
|
17
|
28
|
46
|
59
|
83
|
115
|
106
|
53
|
21
|
46
|
68
|
78
|
74
|
|
2023/09
|
29
|
40
|
51
|
58
|
55
|
55
|
48
|
37
|
39
|
26
|
20
|
24
|
40
|
51
|
51
|
56
|
51
|
35
|
33
|
31
|
27
|
28
|
22
|
23
|
25
|
30
|
53
|
74
|
35
|
44
|
|
|
2023/08
|
30
|
26
|
27
|
25
|
29
|
27
|
28
|
29
|
26
|
31
|
27
|
28
|
33
|
38
|
39
|
40
|
35
|
35
|
40
|
29
|
38
|
50
|
41
|
25
|
24
|
18
|
33
|
40
|
36
|
32
|
36
|
|
2023/07
|
54
|
49
|
40
|
28
|
63
|
59
|
55
|
78
|
71
|
71
|
41
|
24
|
20
|
30
|
59
|
47
|
57
|
56
|
55
|
35
|
38
|
48
|
53
|
31
|
33
|
22
|
19
|
26
|
34
|
34
|
30
|
|
2023/06
|
27
|
24
|
21
|
22
|
25
|
45
|
60
|
53
|
67
|
71
|
43
|
68
|
43
|
41
|
39
|
30
|
43
|
49
|
39
|
41
|
31
|
37
|
49
|
53
|
63
|
55
|
58
|
41
|
37
|
36
|
|
|
2023/05
|
64
|
54
|
55
|
51
|
60
|
56
|
30
|
20
|
14
|
20
|
25
|
45
|
45
|
50
|
65
|
93
|
85
|
37
|
53
|
50
|
45
|
41
|
47
|
59
|
58
|
44
|
46
|
45
|
50
|
72
|
48
|
|
2023/04
|
68
|
71
|
36
|
45
|
33
|
52
|
79
|
81
|
74
|
97
|
75
|
58
|
53
|
55
|
68
|
86
|
83
|
49
|
63
|
43
|
26
|
19
|
20
|
26
|
33
|
56
|
63
|
50
|
50
|
61
|
|
|
2023/03
|
63
|
75
|
74
|
67
|
81
|
77
|
81
|
65
|
57
|
45
|
56
|
38
|
36
|
56
|
64
|
56
|
41
|
41
|
54
|
31
|
44
|
50
|
32
|
27
|
26
|
35
|
25
|
42
|
39
|
58
|
67
|
|
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