Air Quality
Excellent
No health implications.
25
PM2.5
31
PM10
46
O3
0.3
CO
12
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jan
79
Good
Sat
10 Jan
57
Good
Sun
11 Jan
64
Good
Mon
12 Jan
91
Good
Tue
13 Jan
62
Good
Wed
14 Jan
57
Good
Thu
15 Jan
48
Excellent
Air quality in the last 12 months (Qiezihe)
|
2025/11
|
86
|
65
|
42
|
56
|
85
|
79
|
56
|
114
|
20
|
17
|
38
|
42
|
53
|
48
|
57
|
60
|
45
|
40
|
60
|
29
|
71
|
77
|
51
|
129
|
40
|
39
|
75
|
102
|
56
|
51
|
|
|
2025/10
|
18
|
24
|
35
|
38
|
25
|
27
|
36
|
32
|
37
|
35
|
37
|
39
|
43
|
61
|
57
|
82
|
47
|
14
|
16
|
23
|
24
|
40
|
56
|
83
|
83
|
247
|
77
|
47
|
107
|
47
|
40
|
|
2025/09
|
17
|
22
|
27
|
27
|
27
|
13
|
30
|
36
|
28
|
22
|
20
|
41
|
32
|
32
|
32
|
17
|
18
|
28
|
36
|
26
|
31
|
23
|
41
|
21
|
16
|
12
|
26
|
31
|
36
|
44
|
|
|
2025/08
|
18
|
21
|
13
|
14
|
19
|
14
|
13
|
16
|
22
|
24
|
13
|
16
|
23
|
24
|
26
|
11
|
15
|
21
|
14
|
12
|
17
|
12
|
14
|
16
|
12
|
11
|
16
|
22
|
13
|
18
|
24
|
|
2025/07
|
13
|
12
|
18
|
17
|
32
|
13
|
16
|
16
|
17
|
18
|
30
|
24
|
14
|
15
|
12
|
12
|
17
|
14
|
20
|
27
|
22
|
23
|
23
|
31
|
26
|
13
|
24
|
17
|
19
|
14
|
18
|
|
2025/06
|
34
|
24
|
10
|
11
|
13
|
16
|
13
|
20
|
16
|
14
|
13
|
20
|
13
|
15
|
16
|
13
|
13
|
14
|
19
|
12
|
12
|
12
|
22
|
28
|
28
|
32
|
30
|
40
|
18
|
14
|
|
|
2025/05
|
34
|
33
|
26
|
19
|
20
|
28
|
31
|
27
|
24
|
29
|
35
|
44
|
20
|
19
|
13
|
28
|
24
|
13
|
18
|
23
|
20
|
19
|
14
|
11
|
16
|
22
|
26
|
44
|
37
|
43
|
37
|
|
2025/04
|
49
|
41
|
62
|
56
|
45
|
17
|
31
|
53
|
60
|
111
|
138
|
96
|
32
|
26
|
26
|
29
|
52
|
45
|
24
|
54
|
80
|
34
|
27
|
26
|
36
|
15
|
31
|
40
|
32
|
36
|
|
|
2025/03
|
15
|
15
|
27
|
37
|
28
|
37
|
34
|
40
|
55
|
60
|
71
|
55
|
21
|
20
|
24
|
24
|
33
|
35
|
39
|
74
|
65
|
14
|
22
|
45
|
34
|
65
|
20
|
21
|
27
|
20
|
40
|
|
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
|
|
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