Chongqing - China   2025-09-04   Thursday   31.95N, 108.66E

Chengkou

Chongqing - China
2025-09-04

Air Quality

Excellent

No health implications.

13

PM2.5

26

PM10

48

O3

0.5

CO

9

SO2

14

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

4 Sep

37 Excellent

Fri

5 Sep

32 Excellent

Sat

6 Sep

30 Excellent

Sun

7 Sep

37 Excellent

Mon

8 Sep

30 Excellent

Tue

9 Sep

44 Excellent

Wed

10 Sep

46 Excellent

Chengkou Air quality rank

Monthly Average AQI (Chengkou)

2020/09 - 2025/08

Air quality in the last 12 months (Chengkou)

2025/08
27
25
29
33
31
23
26
20
17
13
18
23
20
27
23
18
23
24
30
22
19
20
18
19
23
26
26
25
18
18
22
2025/07
16
20
22
20
16
21
18
17
23
22
30
35
33
34
32
30
34
24
24
26
26
21
16
13
13
17
22
23
21
20
25
2025/06
15
23
36
40
36
40
23
22
27
38
36
40
38
28
40
50
37
30
15
25
19
22
24
25
20
15
22
25
16
20
2025/05
55
62
62
42
39
57
49
51
53
60
54
53
48
38
56
52
65
54
61
60
56
39
43
50
50
45
40
31
35
41
26
2025/04
46
60
61
53
60
63
56
55
55
42
41
336
200
105
67
66
64
64
65
45
42
70
68
54
56
53
46
43
43
38
2025/03
68
63
20
14
21
34
45
54
57
47
43
54
41
39
24
34
42
44
47
47
52
59
64
56
48
44
125
45
41
51
46
2025/02
48
35
38
42
47
33
45
55
57
56
67
63
57
52
47
44
51
46
65
79
78
51
40
71
70
57
53
62
2025/01
110
113
129
153
84
78
84
63
58
65
70
63
67
85
59
60
77
87
89
93
104
147
191
76
17
43
61
65
128
96
90
2024/12
66
76
89
62
42
41
46
53
63
62
51
57
50
51
65
79
90
88
77
108
125
97
64
89
111
127
112
69
89
116
114
2024/11
47
38
40
40
31
39
50
63
49
40
52
50
38
30
36
27
10
12
17
21
27
33
43
42
20
41
46
48
54
58
2024/10
24
31
41
45
48
42
36
36
43
43
42
34
35
40
39
49
38
22
24
15
17
27
31
46
46
47
44
40
45
60
52
2024/09
35
38
27
31
39
35
42
41
42
29
44
31
28
32
26
21
22
26
33
29
14
22
31
37
46
67
59
80
60
16
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