Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
49
O3
0.7
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
75
Good
Tue
17 Feb
130
Light
Wed
18 Feb
78
Good
Thu
19 Feb
54
Good
Fri
20 Feb
74
Good
Sat
21 Feb
79
Good
Sun
22 Feb
40
Excellent
Air quality in the last 12 months (Qixing)
|
2026/01
|
33
|
35
|
60
|
76
|
31
|
53
|
50
|
52
|
63
|
61
|
78
|
98
|
87
|
92
|
107
|
114
|
101
|
104
|
65
|
12
|
29
|
39
|
55
|
71
|
112
|
43
|
47
|
73
|
72
|
30
|
20
|
|
2025/12
|
71
|
72
|
92
|
79
|
75
|
85
|
90
|
75
|
89
|
113
|
92
|
72
|
24
|
40
|
60
|
62
|
64
|
73
|
84
|
72
|
79
|
95
|
71
|
15
|
46
|
59
|
61
|
68
|
71
|
73
|
99
|
|
2025/11
|
35
|
29
|
15
|
15
|
24
|
38
|
38
|
12
|
8
|
10
|
14
|
48
|
32
|
40
|
48
|
53
|
60
|
24
|
27
|
34
|
34
|
46
|
58
|
63
|
48
|
48
|
62
|
73
|
57
|
68
|
|
|
2025/10
|
38
|
33
|
27
|
32
|
30
|
19
|
21
|
30
|
40
|
39
|
41
|
52
|
53
|
42
|
40
|
40
|
50
|
25
|
12
|
9
|
12
|
20
|
32
|
39
|
45
|
65
|
52
|
54
|
66
|
77
|
52
|
|
2025/09
|
29
|
29
|
24
|
27
|
30
|
33
|
36
|
36
|
12
|
18
|
23
|
19
|
29
|
32
|
31
|
28
|
22
|
32
|
46
|
28
|
15
|
14
|
21
|
10
|
9
|
13
|
22
|
31
|
41
|
44
|
|
|
2025/08
|
25
|
21
|
19
|
25
|
20
|
9
|
14
|
21
|
29
|
29
|
32
|
34
|
40
|
29
|
13
|
28
|
18
|
20
|
15
|
19
|
21
|
22
|
28
|
33
|
23
|
27
|
27
|
22
|
27
|
21
|
30
|
|
2025/07
|
17
|
22
|
23
|
39
|
34
|
39
|
34
|
29
|
34
|
28
|
22
|
30
|
23
|
28
|
19
|
24
|
27
|
35
|
28
|
25
|
15
|
14
|
13
|
20
|
25
|
30
|
32
|
23
|
29
|
29
|
19
|
|
2025/06
|
28
|
16
|
24
|
44
|
47
|
43
|
30
|
23
|
17
|
20
|
27
|
19
|
21
|
18
|
22
|
22
|
14
|
12
|
19
|
20
|
22
|
19
|
24
|
23
|
28
|
28
|
21
|
20
|
15
|
15
|
|
|
2025/05
|
51
|
62
|
62
|
33
|
34
|
33
|
39
|
39
|
22
|
44
|
33
|
41
|
53
|
73
|
53
|
25
|
13
|
9
|
15
|
21
|
27
|
25
|
19
|
41
|
48
|
34
|
31
|
22
|
15
|
30
|
28
|
|
2025/04
|
49
|
58
|
68
|
143
|
117
|
77
|
112
|
143
|
118
|
80
|
59
|
123
|
353
|
153
|
91
|
81
|
88
|
91
|
66
|
30
|
45
|
29
|
49
|
34
|
22
|
35
|
31
|
30
|
52
|
60
|
|
|
2025/03
|
60
|
50
|
56
|
15
|
16
|
24
|
53
|
47
|
40
|
26
|
44
|
59
|
31
|
18
|
13
|
41
|
36
|
34
|
52
|
51
|
63
|
77
|
87
|
92
|
98
|
77
|
71
|
75
|
17
|
18
|
35
|
|
2025/02
|
18
|
12
|
40
|
64
|
55
|
45
|
37
|
64
|
43
|
61
|
105
|
103
|
77
|
103
|
64
|
27
|
35
|
36
|
24
|
10
|
22
|
13
|
23
|
71
|
71
|
59
|
37
|
66
|
|||
|
1
|
2
|
3
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4
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5
|
6
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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