Air Quality
Excellent
No health implications.
4
PM2.5
19
PM10
54
O3
0.4
CO
8
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
70
Good
Tue
29 Jul
65
Good
Wed
30 Jul
70
Good
Thu
31 Jul
62
Good
Fri
1 Aug
62
Good
Sat
2 Aug
23
Excellent
Sun
3 Aug
25
Excellent
Air quality in the last 12 months (Zhidoi)
|
2025/06
|
15
|
16
|
14
|
15
|
14
|
14
|
12
|
16
|
23
|
23
|
28
|
30
|
31
|
40
|
33
|
29
|
20
|
16
|
14
|
15
|
24
|
32
|
26
|
24
|
24
|
27
|
38
|
29
|
33
|
40
|
|
|
2025/05
|
36
|
36
|
25
|
53
|
33
|
30
|
60
|
67
|
46
|
32
|
31
|
40
|
34
|
53
|
19
|
17
|
18
|
27
|
35
|
31
|
68
|
58
|
61
|
53
|
34
|
26
|
28
|
34
|
46
|
24
|
18
|
|
2025/04
|
66
|
73
|
36
|
44
|
43
|
46
|
48
|
46
|
33
|
39
|
22
|
19
|
26
|
33
|
47
|
53
|
59
|
73
|
58
|
70
|
66
|
57
|
39
|
30
|
24
|
19
|
25
|
29
|
31
|
31
|
|
|
2025/03
|
40
|
48
|
40
|
62
|
66
|
84
|
73
|
32
|
21
|
37
|
29
|
24
|
28
|
36
|
27
|
30
|
35
|
42
|
39
|
24
|
30
|
46
|
55
|
37
|
30
|
90
|
74
|
56
|
63
|
246
|
87
|
|
2025/02
|
43
|
42
|
33
|
42
|
39
|
44
|
42
|
31
|
27
|
30
|
35
|
43
|
34
|
36
|
38
|
34
|
28
|
28
|
35
|
30
|
25
|
35
|
29
|
37
|
41
|
37
|
42
|
46
|
|||
|
2025/01
|
36
|
26
|
31
|
31
|
35
|
34
|
38
|
29
|
25
|
38
|
33
|
31
|
23
|
22
|
23
|
25
|
39
|
39
|
32
|
43
|
31
|
31
|
44
|
54
|
64
|
54
|
44
|
49
|
52
|
37
|
37
|
|
2024/12
|
30
|
39
|
38
|
48
|
38
|
38
|
37
|
37
|
30
|
51
|
53
|
60
|
57
|
38
|
27
|
38
|
51
|
45
|
37
|
36
|
31
|
27
|
30
|
33
|
29
|
23
|
26
|
31
|
34
|
27
|
29
|
|
2024/11
|
27
|
31
|
30
|
25
|
34
|
31
|
38
|
36
|
38
|
31
|
32
|
30
|
35
|
32
|
36
|
39
|
37
|
36
|
38
|
35
|
39
|
37
|
37
|
43
|
61
|
38
|
25
|
22
|
34
|
39
|
|
|
2024/10
|
32
|
25
|
17
|
20
|
17
|
18
|
20
|
24
|
24
|
22
|
19
|
26
|
27
|
27
|
22
|
20
|
21
|
25
|
17
|
50
|
51
|
31
|
27
|
26
|
25
|
27
|
30
|
32
|
34
|
28
|
24
|
|
2024/09
|
23
|
20
|
18
|
28
|
23
|
19
|
24
|
34
|
33
|
23
|
18
|
44
|
20
|
25
|
20
|
23
|
24
|
20
|
33
|
25
|
20
|
18
|
21
|
17
|
21
|
28
|
19
|
29
|
27
|
27
|
|
|
2024/08
|
34
|
27
|
22
|
27
|
29
|
26
|
16
|
15
|
13
|
18
|
22
|
22
|
26
|
16
|
24
|
28
|
20
|
19
|
27
|
27
|
28
|
39
|
25
|
24
|
33
|
26
|
32
|
28
|
23
|
31
|
23
|
|
2024/07
|
20
|
12
|
11
|
20
|
31
|
18
|
20
|
17
|
16
|
12
|
15
|
14
|
10
|
17
|
17
|
19
|
16
|
18
|
15
|
37
|
38
|
22
|
22
|
31
|
23
|
16
|
13
|
15
|
23
|
30
|
31
|
|
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