Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
78
O3
0.5
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
48
Excellent
Mon
29 May
46
Excellent
Tue
30 May
54
Good
Wed
31 May
51
Good
Thu
1 Jun
53
Good
Fri
2 Jun
55
Good
Sat
3 Jun
54
Good
Air quality in the last 12 months (Daofu)
|
2023/04
|
23
|
25
|
27
|
28
|
29
|
40
|
22
|
28
|
29
|
22
|
26
|
28
|
31
|
36
|
36
|
30
|
32
|
24
|
22
|
27
|
26
|
26
|
25
|
25
|
26
|
24
|
24
|
29
|
24
|
19
|
|
|
2023/03
|
24
|
21
|
22
|
19
|
20
|
20
|
23
|
21
|
21
|
19
|
19
|
21
|
21
|
22
|
24
|
26
|
19
|
22
|
23
|
22
|
20
|
23
|
22
|
19
|
22
|
21
|
21
|
20
|
21
|
21
|
23
|
|
2023/02
|
22
|
32
|
21
|
21
|
21
|
19
|
24
|
24
|
21
|
21
|
24
|
30
|
23
|
23
|
23
|
26
|
28
|
27
|
23
|
24
|
21
|
15
|
17
|
23
|
21
|
21
|
25
|
23
|
|||
|
2023/01
|
19
|
20
|
19
|
19
|
21
|
20
|
20
|
20
|
22
|
21
|
22
|
21
|
21
|
23
|
39
|
25
|
37
|
33
|
25
|
21
|
22
|
25
|
22
|
32
|
21
|
21
|
25
|
22
|
21
|
22
|
20
|
|
2022/12
|
14
|
19
|
21
|
14
|
19
|
22
|
19
|
26
|
25
|
20
|
19
|
19
|
16
|
19
|
17
|
17
|
19
|
15
|
19
|
18
|
22
|
20
|
20
|
21
|
22
|
20
|
21
|
20
|
18
|
21
|
18
|
|
2022/11
|
19
|
18
|
20
|
17
|
18
|
21
|
18
|
19
|
21
|
19
|
19
|
21
|
21
|
17
|
16
|
18
|
19
|
18
|
20
|
20
|
20
|
19
|
17
|
19
|
21
|
23
|
25
|
21
|
19
|
16
|
|
|
2022/10
|
17
|
18
|
19
|
14
|
11
|
12
|
11
|
11
|
16
|
14
|
12
|
12
|
13
|
13
|
14
|
23
|
26
|
16
|
16
|
17
|
17
|
19
|
19
|
16
|
17
|
15
|
15
|
15
|
16
|
16
|
17
|
|
2022/09
|
15
|
14
|
18
|
20
|
16
|
17
|
14
|
16
|
14
|
16
|
17
|
17
|
18
|
15
|
16
|
14
|
15
|
15
|
33
|
17
|
15
|
16
|
14
|
14
|
14
|
12
|
16
|
13
|
13
|
15
|
|
|
2022/08
|
43
|
17
|
20
|
21
|
21
|
22
|
22
|
26
|
28
|
25
|
25
|
27
|
28
|
29
|
27
|
27
|
22
|
22
|
31
|
30
|
26
|
20
|
24
|
24
|
20
|
19
|
18
|
18
|
15
|
15
|
14
|
|
2022/07
|
17
|
19
|
25
|
23
|
27
|
33
|
29
|
31
|
32
|
33
|
30
|
22
|
16
|
17
|
19
|
30
|
21
|
19
|
20
|
24
|
23
|
25
|
24
|
24
|
24
|
24
|
24
|
24
|
23
|
20
|
19
|
|
2022/06
|
16
|
15
|
17
|
16
|
21
|
17
|
20
|
21
|
19
|
18
|
16
|
18
|
20
|
18
|
15
|
16
|
15
|
16
|
17
|
18
|
18
|
16
|
20
|
22
|
21
|
18
|
23
|
24
|
22
|
18
|
|
|
2022/05
|
29
|
27
|
25
|
27
|
29
|
30
|
30
|
40
|
27
|
28
|
25
|
25
|
26
|
27
|
24
|
30
|
21
|
18
|
16
|
20
|
23
|
20
|
22
|
17
|
21
|
19
|
18
|
19
|
20
|
21
|
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