Air Quality
Excellent
No health implications.
21
PM2.5
43
PM10
44
O3
1.0
CO
52
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
62
Good
Wed
26 Nov
59
Good
Thu
27 Nov
55
Good
Fri
28 Nov
56
Good
Sat
29 Nov
58
Good
Sun
30 Nov
60
Good
Mon
1 Dec
31
Excellent
Air quality in the last 12 months (Longhua)
|
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
|
|||
|
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
|
|
|
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