Air Quality
Excellent
No health implications.
18
PM2.5
28
PM10
72
O3
0.4
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
74
Good
Tue
22 Jul
80
Good
Wed
23 Jul
81
Good
Thu
24 Jul
81
Good
Fri
25 Jul
72
Good
Sat
26 Jul
62
Good
Sun
27 Jul
15
Excellent
Air quality in the last 12 months (Longhua)
|
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
|
|
|
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
|
|
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