Air Quality
Excellent
No health implications.
13
PM2.5
18
PM10
10
O3
0.7
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
42
Excellent
Sun
13 Sep
41
Excellent
Mon
14 Sep
42
Excellent
Tue
15 Sep
37
Excellent
Wed
16 Sep
40
Excellent
Thu
17 Sep
25
Excellent
Fri
18 Sep
32
Excellent
Air quality in the last 12 months (Longjing)
|
2026/08
|
23
|
11
|
10
|
20
|
25
|
27
|
25
|
18
|
19
|
20
|
19
|
21
|
13
|
17
|
17
|
18
|
23
|
21
|
20
|
22
|
22
|
24
|
25
|
22
|
21
|
21
|
22
|
25
|
19
|
20
|
19
|
|
2026/07
|
25
|
15
|
17
|
25
|
29
|
21
|
16
|
16
|
21
|
19
|
21
|
18
|
20
|
15
|
16
|
22
|
26
|
26
|
24
|
18
|
18
|
28
|
30
|
15
|
11
|
11
|
10
|
16
|
26
|
25
|
23
|
|
2026/06
|
35
|
44
|
33
|
24
|
23
|
21
|
16
|
14
|
15
|
17
|
20
|
23
|
29
|
29
|
32
|
20
|
27
|
29
|
26
|
23
|
18
|
23
|
16
|
26
|
23
|
24
|
32
|
31
|
27
|
28
|
|
|
2026/05
|
38
|
33
|
28
|
32
|
35
|
36
|
24
|
26
|
29
|
30
|
36
|
40
|
36
|
30
|
36
|
45
|
43
|
28
|
29
|
27
|
27
|
29
|
28
|
27
|
37
|
33
|
24
|
21
|
28
|
26
|
31
|
|
2026/04
|
51
|
61
|
70
|
38
|
39
|
28
|
24
|
33
|
51
|
33
|
26
|
35
|
51
|
30
|
29
|
32
|
40
|
30
|
40
|
55
|
69
|
46
|
62
|
30
|
31
|
29
|
21
|
28
|
29
|
33
|
|
|
2026/03
|
33
|
51
|
35
|
56
|
58
|
41
|
27
|
35
|
36
|
43
|
54
|
65
|
80
|
53
|
87
|
94
|
128
|
210
|
39
|
47
|
94
|
154
|
105
|
67
|
76
|
75
|
88
|
71
|
60
|
40
|
35
|
|
2026/02
|
44
|
36
|
42
|
72
|
79
|
61
|
27
|
28
|
37
|
63
|
44
|
48
|
60
|
69
|
47
|
33
|
72
|
30
|
34
|
46
|
55
|
106
|
109
|
44
|
45
|
65
|
54
|
27
|
|||
|
2026/01
|
21
|
26
|
34
|
42
|
37
|
47
|
46
|
31
|
74
|
57
|
29
|
33
|
36
|
37
|
50
|
30
|
31
|
30
|
25
|
24
|
26
|
24
|
33
|
30
|
23
|
37
|
38
|
30
|
36
|
27
|
30
|
|
2025/12
|
38
|
25
|
21
|
27
|
37
|
65
|
71
|
26
|
40
|
60
|
28
|
34
|
34
|
43
|
60
|
42
|
33
|
54
|
67
|
44
|
35
|
41
|
61
|
30
|
27
|
21
|
36
|
81
|
55
|
22
|
25
|
|
2025/11
|
26
|
25
|
32
|
46
|
45
|
48
|
36
|
33
|
34
|
25
|
40
|
44
|
34
|
57
|
51
|
35
|
36
|
37
|
33
|
38
|
40
|
47
|
62
|
101
|
112
|
81
|
70
|
34
|
36
|
35
|
|
|
2025/10
|
23
|
31
|
31
|
31
|
19
|
20
|
25
|
36
|
26
|
26
|
16
|
23
|
26
|
35
|
40
|
41
|
27
|
18
|
17
|
23
|
27
|
29
|
34
|
40
|
46
|
42
|
44
|
57
|
63
|
45
|
27
|
|
2025/09
|
11
|
16
|
24
|
26
|
28
|
19
|
21
|
23
|
21
|
20
|
19
|
27
|
31
|
33
|
23
|
26
|
17
|
19
|
21
|
20
|
24
|
22
|
28
|
18
|
26
|
25
|
21
|
16
|
27
|
27
|
|
|
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