Air Quality
Excellent
No health implications.
20
PM2.5
33
PM10
21
O3
1.0
CO
3
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Sep
54
Good
Tue
22 Sep
50
Excellent
Wed
23 Sep
45
Excellent
Thu
24 Sep
37
Excellent
Fri
25 Sep
42
Excellent
Sat
26 Sep
18
Excellent
Sun
27 Sep
42
Excellent
Air quality in the last 12 months (Chongzhou)
|
2026/08
|
21
|
25
|
32
|
33
|
47
|
34
|
45
|
37
|
42
|
54
|
41
|
31
|
35
|
54
|
53
|
33
|
24
|
22
|
27
|
28
|
49
|
52
|
39
|
45
|
47
|
36
|
37
|
40
|
31
|
31
|
41
|
|
2026/07
|
50
|
61
|
36
|
50
|
51
|
54
|
65
|
63
|
62
|
45
|
31
|
27
|
35
|
49
|
39
|
46
|
26
|
37
|
33
|
43
|
44
|
46
|
49
|
61
|
66
|
52
|
32
|
29
|
38
|
24
|
23
|
|
2026/06
|
48
|
60
|
49
|
59
|
60
|
70
|
33
|
30
|
34
|
42
|
35
|
40
|
43
|
76
|
63
|
46
|
34
|
41
|
53
|
34
|
25
|
30
|
28
|
26
|
21
|
31
|
42
|
55
|
36
|
34
|
|
|
2026/05
|
49
|
32
|
32
|
48
|
58
|
57
|
52
|
44
|
56
|
77
|
81
|
69
|
59
|
68
|
34
|
31
|
53
|
33
|
38
|
45
|
64
|
53
|
44
|
33
|
26
|
38
|
48
|
45
|
54
|
57
|
61
|
|
2026/04
|
46
|
43
|
61
|
71
|
72
|
44
|
32
|
34
|
47
|
36
|
37
|
37
|
33
|
36
|
39
|
44
|
37
|
60
|
86
|
147
|
37
|
38
|
48
|
64
|
69
|
70
|
52
|
28
|
39
|
53
|
|
|
2026/03
|
26
|
35
|
36
|
47
|
47
|
60
|
52
|
37
|
24
|
38
|
51
|
61
|
47
|
22
|
45
|
39
|
27
|
32
|
50
|
53
|
56
|
57
|
45
|
49
|
48
|
40
|
55
|
46
|
41
|
25
|
29
|
|
2026/02
|
88
|
97
|
96
|
93
|
105
|
111
|
67
|
53
|
40
|
53
|
67
|
72
|
87
|
104
|
85
|
55
|
98
|
75
|
70
|
73
|
76
|
84
|
82
|
54
|
62
|
56
|
60
|
42
|
|||
|
2026/01
|
51
|
50
|
21
|
39
|
64
|
53
|
75
|
88
|
103
|
147
|
192
|
196
|
191
|
140
|
93
|
116
|
149
|
163
|
67
|
41
|
53
|
71
|
90
|
107
|
89
|
112
|
119
|
117
|
105
|
63
|
80
|
|
2025/12
|
142
|
106
|
52
|
51
|
72
|
83
|
64
|
113
|
138
|
107
|
136
|
104
|
57
|
71
|
89
|
130
|
133
|
145
|
175
|
97
|
57
|
64
|
61
|
65
|
92
|
83
|
117
|
127
|
112
|
119
|
78
|
|
2025/11
|
25
|
43
|
43
|
37
|
45
|
39
|
32
|
42
|
54
|
34
|
41
|
49
|
46
|
54
|
46
|
58
|
41
|
38
|
44
|
66
|
88
|
120
|
91
|
99
|
98
|
105
|
96
|
115
|
131
|
130
|
|
|
2025/10
|
50
|
32
|
31
|
35
|
34
|
22
|
27
|
41
|
42
|
40
|
22
|
18
|
20
|
39
|
44
|
51
|
32
|
28
|
26
|
12
|
17
|
22
|
15
|
15
|
25
|
34
|
33
|
44
|
36
|
54
|
42
|
|
2025/09
|
36
|
44
|
48
|
55
|
47
|
45
|
66
|
48
|
49
|
34
|
24
|
22
|
37
|
52
|
66
|
23
|
24
|
15
|
16
|
37
|
22
|
16
|
21
|
30
|
39
|
61
|
42
|
25
|
21
|
37
|
|
|
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