Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
110
O3
0.4
CO
12
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
74
Good
Tue
21 May
76
Good
Wed
22 May
79
Good
Thu
23 May
78
Good
Fri
24 May
68
Good
Sat
25 May
77
Good
Air quality in the last 12 months (Chindu)
|
2024/02
|
25
|
26
|
33
|
29
|
26
|
28
|
32
|
28
|
27
|
43
|
23
|
22
|
24
|
25
|
31
|
23
|
26
|
29
|
35
|
30
|
53
|
33
|
34
|
33
|
30
|
31
|
28
|
28
|
27
|
||
|
2024/01
|
38
|
21
|
21
|
19
|
22
|
24
|
25
|
23
|
24
|
27
|
25
|
24
|
22
|
25
|
21
|
24
|
25
|
23
|
23
|
24
|
25
|
21
|
27
|
33
|
28
|
22
|
26
|
23
|
25
|
24
|
28
|
|
2023/12
|
27
|
26
|
22
|
23
|
28
|
20
|
23
|
29
|
24
|
28
|
31
|
24
|
25
|
28
|
52
|
37
|
43
|
39
|
27
|
32
|
27
|
25
|
24
|
24
|
30
|
24
|
25
|
28
|
23
|
23
|
26
|
|
2023/11
|
25
|
26
|
23
|
22
|
23
|
22
|
22
|
23
|
21
|
24
|
24
|
25
|
23
|
31
|
29
|
24
|
29
|
25
|
24
|
27
|
30
|
24
|
23
|
25
|
69
|
28
|
26
|
28
|
30
|
22
|
|
|
2023/10
|
23
|
19
|
16
|
21
|
19
|
25
|
22
|
23
|
20
|
21
|
20
|
25
|
24
|
21
|
22
|
23
|
23
|
27
|
26
|
26
|
24
|
24
|
24
|
24
|
23
|
25
|
23
|
21
|
22
|
25
|
23
|
|
2023/09
|
28
|
29
|
25
|
25
|
27
|
23
|
23
|
23
|
25
|
21
|
23
|
21
|
23
|
22
|
23
|
24
|
23
|
20
|
23
|
26
|
20
|
21
|
20
|
22
|
24
|
22
|
19
|
22
|
22
|
22
|
|
|
2023/08
|
24
|
23
|
18
|
22
|
23
|
24
|
22
|
19
|
21
|
19
|
23
|
22
|
22
|
19
|
17
|
22
|
21
|
16
|
24
|
23
|
26
|
27
|
27
|
25
|
23
|
25
|
21
|
18
|
25
|
23
|
23
|
|
2023/07
|
23
|
21
|
34
|
31
|
29
|
28
|
32
|
27
|
23
|
29
|
27
|
27
|
28
|
26
|
24
|
29
|
28
|
34
|
29
|
27
|
29
|
27
|
26
|
21
|
22
|
18
|
25
|
27
|
23
|
23
|
25
|
|
2023/06
|
27
|
30
|
28
|
37
|
36
|
32
|
33
|
30
|
28
|
28
|
30
|
32
|
31
|
32
|
28
|
29
|
32
|
36
|
34
|
37
|
34
|
31
|
40
|
36
|
33
|
31
|
29
|
26
|
23
|
22
|
|
|
2023/05
|
33
|
32
|
37
|
34
|
37
|
30
|
35
|
34
|
28
|
31
|
33
|
31
|
32
|
34
|
31
|
32
|
37
|
30
|
28
|
33
|
33
|
29
|
38
|
34
|
29
|
32
|
31
|
31
|
34
|
34
|
32
|
|
2023/04
|
29
|
34
|
33
|
45
|
58
|
50
|
33
|
33
|
28
|
36
|
32
|
31
|
35
|
78
|
36
|
28
|
29
|
31
|
34
|
53
|
49
|
32
|
32
|
37
|
43
|
34
|
30
|
32
|
33
|
31
|
|
|
2023/03
|
28
|
30
|
26
|
25
|
27
|
26
|
27
|
24
|
26
|
25
|
24
|
26
|
24
|
25
|
25
|
27
|
23
|
24
|
27
|
29
|
25
|
29
|
30
|
25
|
29
|
28
|
27
|
28
|
32
|
29
|
27
|
|
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