Air Quality
Excellent
No health implications.
7
PM2.5
24
PM10
60
O3
0.3
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
66
Good
Tue
17 Feb
84
Good
Wed
18 Feb
59
Good
Thu
19 Feb
63
Good
Fri
20 Feb
69
Good
Sat
21 Feb
17
Excellent
Sun
22 Feb
16
Excellent
Air quality in the last 12 months (Longhua)
|
2026/01
|
36
|
37
|
57
|
52
|
33
|
36
|
30
|
51
|
65
|
23
|
20
|
45
|
24
|
51
|
72
|
41
|
23
|
40
|
30
|
24
|
25
|
34
|
38
|
32
|
25
|
40
|
30
|
49
|
47
|
57
|
40
|
|
2025/12
|
20
|
22
|
21
|
24
|
34
|
63
|
50
|
26
|
51
|
64
|
45
|
33
|
27
|
36
|
52
|
63
|
44
|
53
|
97
|
26
|
30
|
58
|
54
|
33
|
24
|
44
|
63
|
67
|
51
|
31
|
23
|
|
2025/11
|
20
|
20
|
36
|
49
|
78
|
79
|
54
|
48
|
19
|
23
|
39
|
56
|
22
|
36
|
58
|
31
|
18
|
23
|
26
|
24
|
28
|
40
|
65
|
52
|
26
|
48
|
25
|
46
|
56
|
42
|
|
|
2025/10
|
25
|
30
|
28
|
26
|
21
|
16
|
30
|
19
|
12
|
15
|
25
|
26
|
34
|
39
|
39
|
26
|
17
|
14
|
13
|
17
|
25
|
27
|
43
|
62
|
50
|
20
|
20
|
51
|
116
|
81
|
42
|
|
2025/09
|
22
|
22
|
36
|
38
|
37
|
18
|
16
|
16
|
28
|
19
|
38
|
50
|
50
|
19
|
13
|
13
|
16
|
17
|
16
|
20
|
21
|
26
|
19
|
22
|
19
|
19
|
20
|
24
|
21
|
19
|
|
|
2025/08
|
34
|
44
|
30
|
23
|
21
|
22
|
20
|
22
|
20
|
21
|
24
|
18
|
17
|
21
|
31
|
21
|
22
|
25
|
27
|
18
|
18
|
16
|
19
|
17
|
19
|
14
|
13
|
14
|
26
|
29
|
27
|
|
2025/07
|
31
|
32
|
23
|
22
|
28
|
19
|
26
|
28
|
34
|
45
|
45
|
45
|
26
|
26
|
24
|
17
|
20
|
22
|
32
|
23
|
22
|
29
|
35
|
22
|
22
|
33
|
18
|
17
|
20
|
24
|
25
|
|
2025/06
|
39
|
34
|
28
|
25
|
28
|
23
|
23
|
33
|
35
|
22
|
37
|
51
|
36
|
46
|
19
|
20
|
31
|
44
|
34
|
22
|
21
|
29
|
37
|
48
|
55
|
51
|
51
|
32
|
43
|
31
|
|
|
2025/05
|
22
|
31
|
24
|
30
|
41
|
24
|
46
|
73
|
26
|
41
|
42
|
46
|
57
|
30
|
39
|
59
|
36
|
20
|
29
|
57
|
56
|
69
|
41
|
30
|
44
|
48
|
27
|
34
|
56
|
59
|
54
|
|
2025/04
|
35
|
20
|
37
|
52
|
19
|
39
|
58
|
37
|
43
|
43
|
67
|
96
|
46
|
32
|
48
|
63
|
52
|
25
|
20
|
44
|
48
|
39
|
60
|
30
|
33
|
58
|
25
|
29
|
53
|
37
|
|
|
2025/03
|
88
|
41
|
43
|
53
|
47
|
27
|
50
|
82
|
83
|
104
|
139
|
42
|
50
|
60
|
44
|
29
|
30
|
23
|
24
|
28
|
32
|
40
|
95
|
52
|
33
|
98
|
36
|
35
|
38
|
35
|
38
|
|
2025/02
|
81
|
62
|
19
|
20
|
21
|
39
|
22
|
16
|
22
|
42
|
76
|
35
|
48
|
47
|
69
|
27
|
23
|
33
|
26
|
25
|
21
|
29
|
17
|
28
|
39
|
45
|
73
|
94
|
|||
|
1
|
2
|
3
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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