Air Quality
Excellent
No health implications.
19
PM2.5
31
PM10
85
O3
0.5
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
61
Good
Tue
20 May
52
Good
Wed
21 May
45
Excellent
Thu
22 May
44
Excellent
Fri
23 May
50
Excellent
Sat
24 May
62
Good
Sun
25 May
44
Excellent
Air quality in the last 12 months (Qimen)
|
2025/02
|
27
|
23
|
68
|
50
|
41
|
44
|
69
|
37
|
30
|
41
|
59
|
73
|
96
|
83
|
65
|
56
|
57
|
35
|
37
|
25
|
18
|
24
|
47
|
69
|
66
|
53
|
43
|
33
|
|||
|
2025/01
|
72
|
68
|
100
|
77
|
78
|
60
|
62
|
53
|
52
|
34
|
42
|
64
|
61
|
61
|
75
|
40
|
46
|
47
|
55
|
73
|
69
|
70
|
95
|
74
|
42
|
30
|
42
|
66
|
144
|
72
|
49
|
|
2024/12
|
44
|
50
|
73
|
68
|
39
|
41
|
69
|
65
|
46
|
48
|
27
|
59
|
71
|
67
|
51
|
46
|
52
|
67
|
48
|
48
|
67
|
66
|
63
|
70
|
81
|
87
|
91
|
82
|
54
|
65
|
75
|
|
2024/11
|
14
|
29
|
30
|
41
|
52
|
37
|
32
|
34
|
35
|
34
|
30
|
32
|
36
|
33
|
24
|
26
|
15
|
21
|
31
|
33
|
32
|
36
|
52
|
42
|
27
|
31
|
37
|
46
|
40
|
42
|
|
|
2024/10
|
25
|
33
|
26
|
29
|
30
|
18
|
9
|
23
|
35
|
42
|
51
|
54
|
52
|
48
|
28
|
15
|
16
|
31
|
16
|
23
|
29
|
26
|
37
|
35
|
35
|
26
|
10
|
33
|
42
|
31
|
24
|
|
2024/09
|
37
|
41
|
42
|
41
|
38
|
30
|
38
|
44
|
37
|
34
|
21
|
19
|
28
|
31
|
30
|
24
|
22
|
22
|
30
|
20
|
16
|
28
|
26
|
25
|
35
|
45
|
26
|
24
|
32
|
33
|
|
|
2024/08
|
16
|
21
|
25
|
29
|
33
|
29
|
34
|
32
|
39
|
41
|
38
|
34
|
25
|
19
|
25
|
34
|
39
|
43
|
23
|
23
|
23
|
29
|
33
|
36
|
39
|
46
|
41
|
20
|
28
|
34
|
33
|
|
2024/07
|
11
|
15
|
16
|
19
|
18
|
18
|
20
|
21
|
24
|
27
|
28
|
29
|
24
|
22
|
33
|
30
|
21
|
18
|
20
|
22
|
25
|
29
|
34
|
31
|
22
|
16
|
13
|
13
|
17
|
26
|
25
|
|
2024/06
|
14
|
24
|
24
|
31
|
26
|
21
|
20
|
26
|
27
|
19
|
19
|
23
|
25
|
30
|
32
|
42
|
27
|
20
|
13
|
15
|
21
|
26
|
18
|
15
|
15
|
14
|
10
|
10
|
17
|
18
|
|
|
2024/05
|
16
|
29
|
36
|
19
|
16
|
21
|
33
|
47
|
50
|
51
|
39
|
54
|
60
|
41
|
50
|
48
|
48
|
49
|
53
|
50
|
28
|
24
|
27
|
21
|
26
|
23
|
18
|
17
|
28
|
29
|
16
|
|
2024/04
|
27
|
15
|
19
|
27
|
37
|
36
|
29
|
17
|
29
|
44
|
48
|
30
|
27
|
19
|
33
|
53
|
24
|
23
|
28
|
30
|
30
|
24
|
33
|
79
|
52
|
33
|
39
|
34
|
21
|
17
|
|
|
2024/03
|
39
|
44
|
31
|
28
|
19
|
37
|
51
|
51
|
53
|
55
|
56
|
61
|
77
|
56
|
55
|
55
|
49
|
49
|
52
|
56
|
43
|
46
|
46
|
39
|
25
|
23
|
31
|
24
|
36
|
40
|
36
|
|
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