Air Quality
Excellent
No health implications.
10
PM2.5
15
PM10
49
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Feb
29
Excellent
Thu
20 Feb
33
Excellent
Fri
21 Feb
30
Excellent
Sat
22 Feb
31
Excellent
Sun
23 Feb
36
Excellent
Mon
24 Feb
38
Excellent
Tue
25 Feb
25
Excellent
Air quality in the last 12 months (Xifeng)
|
2025/01
|
93
|
93
|
91
|
82
|
82
|
87
|
61
|
48
|
30
|
39
|
48
|
57
|
50
|
64
|
61
|
71
|
61
|
53
|
53
|
75
|
80
|
81
|
76
|
52
|
20
|
23
|
43
|
42
|
91
|
46
|
38
|
|
2024/12
|
82
|
109
|
48
|
35
|
20
|
25
|
26
|
39
|
19
|
10
|
22
|
39
|
52
|
63
|
57
|
64
|
67
|
60
|
68
|
95
|
119
|
71
|
75
|
77
|
75
|
46
|
70
|
83
|
76
|
39
|
56
|
|
2024/11
|
44
|
28
|
58
|
46
|
43
|
56
|
54
|
54
|
46
|
38
|
40
|
40
|
48
|
46
|
63
|
54
|
31
|
9
|
11
|
17
|
18
|
27
|
31
|
18
|
11
|
18
|
26
|
30
|
40
|
54
|
|
|
2024/10
|
6
|
13
|
28
|
36
|
45
|
48
|
32
|
26
|
35
|
54
|
62
|
55
|
28
|
23
|
34
|
34
|
14
|
28
|
10
|
13
|
18
|
14
|
22
|
24
|
24
|
38
|
52
|
45
|
37
|
42
|
47
|
|
2024/09
|
27
|
23
|
18
|
19
|
28
|
34
|
27
|
17
|
14
|
22
|
26
|
29
|
34
|
31
|
24
|
35
|
25
|
24
|
27
|
36
|
28
|
18
|
33
|
39
|
47
|
54
|
54
|
43
|
27
|
12
|
|
|
2024/08
|
16
|
10
|
12
|
10
|
16
|
20
|
17
|
18
|
19
|
18
|
37
|
56
|
50
|
38
|
33
|
33
|
29
|
27
|
34
|
32
|
31
|
20
|
14
|
17
|
11
|
16
|
22
|
25
|
29
|
31
|
27
|
|
2024/07
|
19
|
23
|
15
|
12
|
13
|
14
|
16
|
15
|
18
|
18
|
16
|
18
|
17
|
14
|
12
|
14
|
13
|
11
|
9
|
11
|
11
|
15
|
13
|
14
|
23
|
32
|
31
|
29
|
14
|
13
|
14
|
|
2024/06
|
27
|
24
|
10
|
11
|
24
|
23
|
12
|
10
|
9
|
13
|
23
|
14
|
26
|
27
|
31
|
31
|
13
|
18
|
19
|
23
|
20
|
14
|
20
|
20
|
20
|
11
|
14
|
17
|
9
|
26
|
|
|
2024/05
|
16
|
17
|
10
|
12
|
33
|
41
|
23
|
34
|
34
|
28
|
18
|
16
|
27
|
39
|
38
|
42
|
42
|
22
|
20
|
26
|
14
|
25
|
39
|
38
|
35
|
18
|
30
|
31
|
21
|
12
|
26
|
|
2024/04
|
47
|
46
|
36
|
14
|
16
|
14
|
17
|
19
|
34
|
39
|
36
|
40
|
54
|
61
|
68
|
58
|
34
|
24
|
20
|
22
|
33
|
47
|
27
|
39
|
30
|
41
|
26
|
40
|
50
|
15
|
|
|
2024/03
|
46
|
59
|
46
|
41
|
31
|
23
|
55
|
58
|
42
|
54
|
51
|
48
|
39
|
46
|
32
|
33
|
30
|
10
|
36
|
66
|
65
|
59
|
40
|
51
|
30
|
30
|
46
|
29
|
44
|
49
|
54
|
|
2024/02
|
39
|
21
|
18
|
25
|
20
|
26
|
28
|
50
|
66
|
163
|
74
|
49
|
52
|
61
|
61
|
42
|
45
|
46
|
58
|
59
|
47
|
15
|
18
|
23
|
16
|
25
|
43
|
43
|
46
|
||
|
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