Air Quality
Excellent
No health implications.
26
PM2.5
41
PM10
2
O3
0.9
CO
7
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Sep
83
Good
Tue
23 Sep
58
Good
Wed
24 Sep
45
Excellent
Thu
25 Sep
43
Excellent
Fri
26 Sep
45
Excellent
Sat
27 Sep
47
Excellent
Sun
28 Sep
46
Excellent
Air quality in the last 12 months (Longhua)
|
2025/08
|
32
|
27
|
37
|
40
|
23
|
26
|
38
|
47
|
35
|
23
|
23
|
22
|
35
|
20
|
16
|
28
|
21
|
14
|
22
|
28
|
25
|
30
|
37
|
20
|
18
|
33
|
31
|
33
|
25
|
22
|
16
|
|
2025/07
|
16
|
22
|
33
|
40
|
39
|
35
|
46
|
18
|
37
|
26
|
21
|
31
|
40
|
33
|
31
|
34
|
42
|
35
|
42
|
10
|
15
|
23
|
22
|
35
|
42
|
44
|
40
|
35
|
38
|
40
|
26
|
|
2025/06
|
31
|
29
|
23
|
25
|
33
|
36
|
25
|
17
|
23
|
18
|
15
|
17
|
18
|
27
|
30
|
26
|
20
|
18
|
15
|
15
|
20
|
21
|
17
|
19
|
19
|
13
|
17
|
16
|
16
|
13
|
|
|
2025/05
|
51
|
46
|
42
|
31
|
27
|
28
|
24
|
43
|
34
|
42
|
36
|
50
|
43
|
31
|
25
|
20
|
22
|
24
|
26
|
22
|
25
|
23
|
21
|
25
|
50
|
43
|
47
|
35
|
35
|
17
|
30
|
|
2025/04
|
30
|
35
|
53
|
50
|
30
|
56
|
59
|
62
|
47
|
37
|
34
|
28
|
194
|
180
|
127
|
96
|
69
|
55
|
32
|
27
|
26
|
35
|
32
|
24
|
28
|
23
|
31
|
42
|
41
|
52
|
|
|
2025/03
|
38
|
30
|
26
|
30
|
27
|
15
|
20
|
34
|
43
|
39
|
44
|
34
|
33
|
29
|
31
|
15
|
56
|
46
|
60
|
54
|
58
|
60
|
60
|
62
|
57
|
43
|
32
|
37
|
12
|
9
|
13
|
|
2025/02
|
26
|
20
|
11
|
17
|
35
|
43
|
23
|
48
|
44
|
44
|
29
|
38
|
74
|
42
|
32
|
56
|
48
|
63
|
40
|
41
|
44
|
47
|
22
|
31
|
56
|
55
|
43
|
39
|
|||
|
2025/01
|
68
|
66
|
60
|
64
|
69
|
75
|
69
|
76
|
67
|
53
|
51
|
43
|
64
|
60
|
64
|
67
|
60
|
66
|
67
|
72
|
53
|
54
|
47
|
21
|
22
|
19
|
19
|
42
|
83
|
38
|
28
|
|
2024/12
|
68
|
69
|
60
|
54
|
61
|
67
|
57
|
35
|
44
|
50
|
57
|
36
|
39
|
58
|
47
|
52
|
74
|
60
|
55
|
66
|
65
|
58
|
64
|
64
|
67
|
54
|
64
|
63
|
76
|
77
|
82
|
|
2024/11
|
27
|
31
|
56
|
57
|
51
|
58
|
44
|
50
|
51
|
57
|
59
|
56
|
52
|
19
|
26
|
30
|
33
|
36
|
21
|
11
|
19
|
30
|
41
|
55
|
41
|
19
|
40
|
40
|
48
|
59
|
|
|
2024/10
|
31
|
24
|
37
|
39
|
45
|
43
|
43
|
49
|
47
|
42
|
42
|
52
|
45
|
34
|
35
|
33
|
31
|
33
|
54
|
34
|
42
|
34
|
26
|
41
|
49
|
46
|
47
|
27
|
31
|
43
|
41
|
|
2024/09
|
26
|
33
|
46
|
30
|
22
|
8
|
17
|
15
|
19
|
33
|
43
|
44
|
43
|
36
|
31
|
21
|
29
|
21
|
33
|
37
|
18
|
23
|
17
|
21
|
26
|
44
|
42
|
39
|
35
|
40
|
|
|
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