Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
119
O3
0.3
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jul
57
Good
Thu
23 Jul
58
Good
Fri
24 Jul
57
Good
Sat
25 Jul
56
Good
Sun
26 Jul
53
Good
Mon
27 Jul
55
Good
Tue
28 Jul
21
Excellent
Air quality in the last 12 months (Baiyu)
|
2026/06
|
24
|
23
|
26
|
23
|
25
|
24
|
26
|
27
|
24
|
25
|
23
|
23
|
21
|
24
|
22
|
22
|
28
|
24
|
22
|
22
|
21
|
20
|
19
|
20
|
22
|
22
|
20
|
23
|
23
|
24
|
|
|
2026/05
|
27
|
29
|
30
|
30
|
27
|
31
|
29
|
32
|
27
|
28
|
23
|
26
|
25
|
26
|
27
|
25
|
28
|
29
|
27
|
23
|
24
|
23
|
26
|
26
|
27
|
28
|
28
|
29
|
28
|
22
|
21
|
|
2026/04
|
24
|
23
|
25
|
22
|
23
|
27
|
26
|
31
|
29
|
35
|
35
|
35
|
34
|
34
|
31
|
28
|
27
|
25
|
25
|
25
|
26
|
36
|
36
|
27
|
29
|
24
|
30
|
30
|
26
|
22
|
|
|
2026/03
|
27
|
28
|
30
|
33
|
39
|
29
|
35
|
39
|
29
|
25
|
23
|
24
|
45
|
27
|
25
|
23
|
29
|
30
|
25
|
25
|
25
|
27
|
28
|
24
|
29
|
31
|
26
|
23
|
27
|
25
|
29
|
|
2026/02
|
22
|
20
|
23
|
18
|
23
|
26
|
17
|
17
|
32
|
32
|
19
|
15
|
15
|
15
|
19
|
17
|
22
|
67
|
21
|
19
|
12
|
15
|
11
|
14
|
11
|
17
|
14
|
20
|
|||
|
2026/01
|
26
|
23
|
21
|
24
|
21
|
25
|
20
|
25
|
28
|
25
|
21
|
27
|
28
|
37
|
28
|
25
|
24
|
41
|
35
|
30
|
32
|
25
|
24
|
27
|
30
|
22
|
17
|
21
|
25
|
21
|
22
|
|
2025/12
|
28
|
31
|
26
|
28
|
27
|
30
|
32
|
29
|
27
|
28
|
28
|
54
|
38
|
31
|
25
|
30
|
30
|
26
|
29
|
33
|
34
|
45
|
37
|
37
|
29
|
31
|
28
|
33
|
33
|
32
|
35
|
|
2025/11
|
12
|
11
|
13
|
13
|
22
|
15
|
44
|
37
|
21
|
21
|
23
|
19
|
17
|
21
|
27
|
24
|
28
|
25
|
24
|
22
|
23
|
22
|
23
|
26
|
26
|
21
|
27
|
28
|
28
|
30
|
|
|
2025/10
|
12
|
15
|
18
|
13
|
11
|
14
|
15
|
15
|
13
|
14
|
13
|
12
|
15
|
16
|
17
|
16
|
19
|
15
|
14
|
14
|
23
|
18
|
15
|
15
|
12
|
10
|
15
|
20
|
14
|
17
|
22
|
|
2025/09
|
11
|
12
|
11
|
9
|
9
|
10
|
10
|
10
|
14
|
11
|
12
|
15
|
21
|
18
|
15
|
12
|
11
|
12
|
14
|
11
|
9
|
12
|
14
|
20
|
20
|
20
|
19
|
15
|
12
|
13
|
|
|
2025/08
|
14
|
15
|
15
|
14
|
17
|
20
|
15
|
14
|
12
|
11
|
19
|
22
|
22
|
18
|
15
|
15
|
16
|
14
|
12
|
11
|
11
|
12
|
12
|
14
|
12
|
12
|
14
|
10
|
14
|
13
|
13
|
|
2025/07
|
19
|
13
|
14
|
14
|
11
|
14
|
13
|
18
|
19
|
22
|
23
|
15
|
15
|
14
|
14
|
21
|
20
|
21
|
13
|
14
|
13
|
13
|
13
|
14
|
17
|
13
|
16
|
15
|
17
|
11
|
13
|
|
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