Air Quality
Excellent
No health implications.
12
PM2.5
31
PM10
32
O3
0.6
CO
6
SO2
38
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Feb
55
Good
Sat
1 Mar
58
Good
Sun
2 Mar
54
Good
Mon
3 Mar
54
Good
Tue
4 Mar
49
Excellent
Wed
5 Mar
51
Good
Thu
6 Mar
35
Excellent
Air quality in the last 12 months (Longhua)
|
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
|
|
|
2024/08
|
31
|
28
|
27
|
36
|
45
|
46
|
49
|
36
|
24
|
24
|
28
|
21
|
29
|
25
|
32
|
18
|
19
|
19
|
20
|
20
|
18
|
31
|
38
|
33
|
26
|
45
|
34
|
45
|
39
|
31
|
13
|
|
2024/07
|
25
|
23
|
15
|
18
|
25
|
14
|
14
|
20
|
17
|
12
|
13
|
16
|
15
|
18
|
16
|
14
|
13
|
18
|
20
|
20
|
15
|
16
|
21
|
29
|
42
|
25
|
18
|
11
|
13
|
12
|
17
|
|
2024/06
|
11
|
33
|
22
|
22
|
28
|
32
|
19
|
13
|
16
|
15
|
23
|
25
|
26
|
27
|
19
|
30
|
21
|
22
|
20
|
20
|
21
|
27
|
12
|
16
|
19
|
23
|
19
|
15
|
15
|
22
|
|
|
2024/05
|
27
|
28
|
29
|
20
|
30
|
39
|
43
|
42
|
34
|
38
|
36
|
43
|
36
|
31
|
46
|
48
|
52
|
47
|
37
|
20
|
20
|
30
|
22
|
20
|
25
|
23
|
22
|
24
|
22
|
31
|
18
|
|
2024/04
|
45
|
49
|
19
|
27
|
41
|
26
|
30
|
35
|
22
|
33
|
48
|
52
|
47
|
30
|
35
|
32
|
28
|
29
|
27
|
25
|
20
|
41
|
33
|
49
|
15
|
26
|
33
|
15
|
26
|
33
|
|
|
2024/03
|
20
|
31
|
43
|
35
|
33
|
41
|
43
|
39
|
60
|
23
|
30
|
21
|
66
|
63
|
72
|
54
|
45
|
50
|
28
|
60
|
53
|
52
|
46
|
36
|
34
|
63
|
34
|
44
|
59
|
33
|
27
|
|
2024/02
|
25
|
26
|
22
|
23
|
21
|
23
|
16
|
9
|
24
|
67
|
77
|
45
|
44
|
41
|
38
|
36
|
25
|
30
|
32
|
22
|
25
|
31
|
40
|
32
|
25
|
43
|
35
|
54
|
61
|
||
|
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