Air Quality
Excellent
No health implications.
7
PM2.5
22
PM10
71
O3
0.1
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Feb
64
Good
Thu
13 Feb
59
Good
Fri
14 Feb
78
Good
Sat
15 Feb
60
Good
Sun
16 Feb
57
Good
Mon
17 Feb
22
Excellent
Tue
18 Feb
46
Excellent
Air quality in the last 12 months (Longhua)
|
2025/01
|
54
|
28
|
36
|
54
|
44
|
25
|
24
|
23
|
19
|
26
|
41
|
36
|
38
|
31
|
30
|
54
|
60
|
54
|
42
|
58
|
42
|
40
|
87
|
104
|
125
|
86
|
19
|
23
|
85
|
27
|
61
|
|
2024/12
|
46
|
26
|
36
|
34
|
26
|
32
|
21
|
34
|
40
|
50
|
46
|
67
|
23
|
32
|
37
|
34
|
24
|
26
|
51
|
49
|
25
|
30
|
47
|
68
|
64
|
25
|
25
|
41
|
63
|
55
|
41
|
|
2024/11
|
99
|
78
|
44
|
26
|
34
|
36
|
66
|
111
|
107
|
78
|
54
|
55
|
56
|
59
|
53
|
41
|
29
|
38
|
57
|
56
|
29
|
31
|
49
|
79
|
57
|
20
|
25
|
21
|
27
|
30
|
|
|
2024/10
|
19
|
17
|
20
|
37
|
65
|
46
|
20
|
30
|
44
|
23
|
38
|
56
|
87
|
73
|
28
|
44
|
58
|
37
|
20
|
30
|
44
|
21
|
31
|
42
|
65
|
107
|
28
|
32
|
43
|
29
|
77
|
|
2024/09
|
22
|
18
|
27
|
35
|
23
|
25
|
23
|
33
|
35
|
20
|
34
|
29
|
26
|
17
|
21
|
25
|
22
|
24
|
44
|
18
|
17
|
19
|
22
|
41
|
38
|
25
|
40
|
41
|
50
|
13
|
|
|
2024/08
|
21
|
28
|
27
|
19
|
27
|
29
|
40
|
43
|
41
|
43
|
33
|
17
|
20
|
25
|
24
|
31
|
42
|
24
|
20
|
11
|
18
|
26
|
24
|
31
|
27
|
21
|
33
|
42
|
35
|
35
|
33
|
|
2024/07
|
28
|
32
|
23
|
26
|
35
|
38
|
26
|
43
|
60
|
50
|
55
|
44
|
43
|
46
|
47
|
37
|
17
|
19
|
28
|
28
|
36
|
22
|
37
|
46
|
18
|
17
|
24
|
25
|
31
|
19
|
16
|
|
2024/06
|
25
|
23
|
32
|
42
|
47
|
49
|
38
|
30
|
28
|
41
|
32
|
34
|
41
|
21
|
19
|
34
|
42
|
50
|
63
|
46
|
66
|
136
|
113
|
16
|
29
|
37
|
56
|
48
|
56
|
29
|
|
|
2024/05
|
33
|
44
|
54
|
58
|
66
|
47
|
42
|
48
|
65
|
136
|
139
|
26
|
34
|
41
|
20
|
38
|
54
|
58
|
49
|
23
|
40
|
53
|
67
|
25
|
25
|
23
|
28
|
33
|
61
|
36
|
14
|
|
2024/04
|
49
|
61
|
27
|
49
|
58
|
50
|
44
|
41
|
53
|
48
|
52
|
93
|
69
|
70
|
126
|
36
|
55
|
57
|
39
|
26
|
51
|
57
|
18
|
37
|
80
|
73
|
48
|
18
|
13
|
20
|
|
|
2024/03
|
29
|
38
|
22
|
49
|
63
|
30
|
37
|
23
|
46
|
68
|
59
|
28
|
42
|
43
|
76
|
128
|
24
|
76
|
37
|
21
|
58
|
49
|
47
|
52
|
47
|
67
|
135
|
218
|
75
|
43
|
38
|
|
2024/02
|
42
|
64
|
62
|
45
|
48
|
43
|
26
|
32
|
37
|
44
|
41
|
56
|
94
|
55
|
26
|
54
|
74
|
79
|
28
|
27
|
25
|
32
|
37
|
59
|
41
|
52
|
77
|
60
|
35
|
||
|
1
|
2
|
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