Air Quality
Excellent
No health implications.
14
PM2.5
29
PM10
65
O3
0.6
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
55
Good
Mon
16 Feb
77
Good
Tue
17 Feb
86
Good
Wed
18 Feb
85
Good
Thu
19 Feb
66
Good
Fri
20 Feb
58
Good
Sat
21 Feb
37
Excellent
Air quality in the last 12 months (Jiexi)
|
2026/01
|
54
|
23
|
36
|
55
|
48
|
30
|
46
|
47
|
57
|
58
|
59
|
65
|
71
|
67
|
62
|
60
|
65
|
73
|
75
|
48
|
35
|
36
|
44
|
51
|
46
|
59
|
60
|
41
|
41
|
51
|
37
|
|
2025/12
|
53
|
50
|
56
|
61
|
57
|
58
|
68
|
65
|
58
|
55
|
60
|
52
|
49
|
38
|
46
|
56
|
72
|
59
|
63
|
49
|
81
|
58
|
52
|
54
|
23
|
32
|
45
|
49
|
49
|
53
|
50
|
|
2025/11
|
36
|
45
|
45
|
31
|
22
|
38
|
37
|
43
|
43
|
23
|
30
|
18
|
12
|
27
|
49
|
52
|
49
|
46
|
26
|
46
|
45
|
54
|
63
|
62
|
46
|
65
|
60
|
67
|
77
|
74
|
|
|
2025/10
|
37
|
28
|
32
|
31
|
21
|
23
|
34
|
37
|
38
|
34
|
31
|
31
|
20
|
26
|
32
|
32
|
38
|
40
|
35
|
20
|
18
|
13
|
25
|
37
|
35
|
42
|
50
|
51
|
39
|
43
|
34
|
|
2025/09
|
23
|
29
|
28
|
25
|
29
|
36
|
15
|
14
|
17
|
19
|
21
|
26
|
22
|
22
|
24
|
28
|
30
|
23
|
12
|
14
|
17
|
25
|
20
|
18
|
21
|
31
|
29
|
29
|
36
|
31
|
|
|
2025/08
|
26
|
21
|
19
|
14
|
11
|
26
|
29
|
32
|
35
|
17
|
16
|
21
|
33
|
12
|
22
|
28
|
22
|
16
|
16
|
27
|
29
|
36
|
31
|
20
|
29
|
23
|
21
|
28
|
27
|
22
|
27
|
|
2025/07
|
18
|
28
|
30
|
36
|
19
|
23
|
34
|
31
|
27
|
16
|
12
|
29
|
37
|
34
|
34
|
35
|
39
|
24
|
22
|
17
|
16
|
12
|
22
|
28
|
26
|
30
|
31
|
23
|
24
|
29
|
22
|
|
2025/06
|
36
|
26
|
19
|
24
|
37
|
32
|
36
|
25
|
28
|
26
|
18
|
20
|
18
|
26
|
24
|
21
|
13
|
22
|
18
|
16
|
16
|
17
|
18
|
17
|
19
|
17
|
24
|
27
|
17
|
16
|
|
|
2025/05
|
46
|
55
|
57
|
46
|
36
|
26
|
31
|
52
|
42
|
32
|
29
|
39
|
42
|
38
|
29
|
24
|
23
|
23
|
22
|
22
|
21
|
25
|
22
|
22
|
37
|
39
|
46
|
36
|
23
|
20
|
33
|
|
2025/04
|
16
|
36
|
55
|
60
|
39
|
53
|
64
|
70
|
60
|
39
|
47
|
50
|
135
|
111
|
106
|
88
|
68
|
60
|
35
|
40
|
32
|
34
|
37
|
30
|
17
|
22
|
49
|
44
|
39
|
61
|
|
|
2025/03
|
62
|
43
|
38
|
30
|
20
|
14
|
19
|
28
|
41
|
51
|
53
|
56
|
44
|
34
|
33
|
12
|
49
|
48
|
49
|
56
|
58
|
57
|
63
|
67
|
64
|
53
|
40
|
43
|
20
|
9
|
9
|
|
2025/02
|
56
|
36
|
19
|
27
|
53
|
46
|
25
|
49
|
46
|
45
|
54
|
77
|
65
|
60
|
56
|
75
|
60
|
61
|
37
|
45
|
40
|
30
|
23
|
27
|
55
|
59
|
66
|
70
|
|||
|
1
|
2
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3
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4
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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