Air Quality
Excellent
No health implications.
8
PM2.5
20
PM10
55
O3
0.5
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Feb
77
Good
Sun
15 Feb
53
Good
Mon
16 Feb
81
Good
Tue
17 Feb
82
Good
Wed
18 Feb
61
Good
Thu
19 Feb
54
Good
Fri
20 Feb
20
Excellent
Longhua Air quality rank
Air quality in the last 12 months (Longhua)
|
2026/01
|
61
|
27
|
41
|
61
|
68
|
42
|
52
|
46
|
58
|
75
|
53
|
72
|
92
|
58
|
80
|
83
|
64
|
59
|
68
|
58
|
42
|
44
|
48
|
72
|
44
|
54
|
76
|
55
|
46
|
45
|
48
|
|
2025/12
|
55
|
44
|
48
|
71
|
70
|
70
|
65
|
58
|
62
|
59
|
76
|
43
|
47
|
42
|
52
|
69
|
66
|
57
|
52
|
42
|
56
|
71
|
47
|
59
|
40
|
42
|
54
|
69
|
74
|
94
|
54
|
|
2025/11
|
40
|
47
|
46
|
29
|
28
|
38
|
40
|
39
|
42
|
23
|
26
|
31
|
24
|
36
|
52
|
62
|
53
|
52
|
32
|
41
|
48
|
52
|
70
|
64
|
55
|
70
|
61
|
68
|
86
|
85
|
|
|
2025/10
|
32
|
19
|
25
|
33
|
22
|
19
|
35
|
37
|
39
|
39
|
30
|
17
|
19
|
22
|
34
|
39
|
44
|
46
|
41
|
21
|
13
|
16
|
28
|
44
|
43
|
46
|
58
|
62
|
51
|
50
|
43
|
|
2025/09
|
23
|
20
|
23
|
24
|
25
|
37
|
15
|
12
|
23
|
29
|
34
|
23
|
24
|
23
|
23
|
27
|
37
|
38
|
20
|
22
|
14
|
33
|
26
|
9
|
19
|
34
|
26
|
27
|
21
|
41
|
|
|
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
|
|||
|
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