Air Quality
Excellent
No health implications.
4
PM2.5
13
PM10
83
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
57
Good
Sun
23 Mar
55
Good
Mon
24 Mar
54
Good
Tue
25 Mar
61
Good
Wed
26 Mar
62
Good
Thu
27 Mar
58
Good
Fri
28 Mar
43
Excellent
Air quality in the last 12 months (Qiezihe)
|
2025/02
|
70
|
90
|
87
|
59
|
32
|
34
|
56
|
50
|
43
|
57
|
66
|
71
|
33
|
38
|
48
|
37
|
20
|
26
|
24
|
47
|
41
|
34
|
31
|
35
|
50
|
27
|
46
|
60
|
|||
|
2025/01
|
91
|
105
|
83
|
79
|
102
|
107
|
83
|
61
|
45
|
54
|
86
|
111
|
94
|
76
|
62
|
47
|
74
|
55
|
108
|
175
|
112
|
184
|
145
|
131
|
129
|
119
|
57
|
91
|
70
|
45
|
53
|
|
2024/12
|
36
|
22
|
24
|
20
|
20
|
30
|
29
|
34
|
45
|
54
|
38
|
39
|
43
|
42
|
29
|
38
|
37
|
41
|
39
|
75
|
88
|
78
|
61
|
45
|
61
|
45
|
30
|
49
|
41
|
37
|
73
|
|
2024/11
|
58
|
54
|
61
|
49
|
49
|
16
|
38
|
55
|
67
|
50
|
59
|
133
|
134
|
69
|
101
|
42
|
26
|
31
|
35
|
62
|
77
|
35
|
38
|
59
|
32
|
20
|
24
|
44
|
33
|
26
|
|
|
2024/10
|
11
|
21
|
22
|
28
|
34
|
34
|
34
|
47
|
44
|
26
|
15
|
36
|
28
|
31
|
18
|
21
|
32
|
36
|
38
|
30
|
41
|
29
|
32
|
42
|
64
|
46
|
27
|
38
|
38
|
45
|
52
|
|
2024/09
|
13
|
15
|
14
|
18
|
15
|
16
|
19
|
21
|
18
|
13
|
19
|
22
|
15
|
18
|
26
|
22
|
27
|
26
|
16
|
17
|
20
|
30
|
28
|
28
|
24
|
14
|
23
|
17
|
20
|
27
|
|
|
2024/08
|
11
|
12
|
10
|
10
|
11
|
12
|
15
|
16
|
17
|
14
|
10
|
13
|
12
|
16
|
17
|
15
|
23
|
12
|
12
|
11
|
11
|
11
|
17
|
18
|
16
|
19
|
14
|
22
|
24
|
18
|
15
|
|
2024/07
|
77
|
59
|
40
|
27
|
33
|
50
|
46
|
67
|
50
|
35
|
48
|
9
|
17
|
21
|
30
|
32
|
15
|
11
|
12
|
14
|
17
|
19
|
17
|
11
|
13
|
11
|
11
|
12
|
13
|
12
|
11
|
|
2024/06
|
11
|
22
|
13
|
14
|
13
|
13
|
19
|
18
|
11
|
13
|
13
|
10
|
10
|
11
|
11
|
11
|
15
|
15
|
20
|
17
|
9
|
10
|
12
|
11
|
11
|
17
|
27
|
35
|
38
|
35
|
|
|
2024/05
|
49
|
87
|
46
|
48
|
66
|
52
|
27
|
38
|
27
|
22
|
16
|
14
|
29
|
13
|
14
|
22
|
32
|
45
|
20
|
27
|
35
|
44
|
26
|
13
|
25
|
17
|
9
|
14
|
10
|
14
|
10
|
|
2024/04
|
26
|
28
|
40
|
28
|
34
|
64
|
26
|
18
|
46
|
50
|
61
|
61
|
47
|
63
|
96
|
37
|
33
|
34
|
43
|
63
|
135
|
98
|
75
|
31
|
50
|
53
|
48
|
64
|
62
|
42
|
|
|
2024/03
|
40
|
33
|
36
|
43
|
38
|
46
|
53
|
35
|
44
|
54
|
85
|
42
|
44
|
50
|
26
|
21
|
14
|
26
|
30
|
48
|
45
|
24
|
18
|
26
|
36
|
35
|
23
|
52
|
57
|
40
|
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