Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
109
O3
0.6
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
56
Good
Fri
26 Apr
63
Good
Sat
27 Apr
61
Good
Sun
28 Apr
62
Good
Mon
29 Apr
66
Good
Tue
30 Apr
46
Excellent
Wed
1 May
53
Good
Air quality in the last 12 months (Tangwangxian)
|
2024/02
|
19
|
25
|
21
|
29
|
21
|
20
|
26
|
26
|
23
|
24
|
45
|
49
|
64
|
23
|
18
|
23
|
49
|
37
|
22
|
22
|
24
|
25
|
21
|
22
|
23
|
24
|
24
|
29
|
23
|
||
|
2024/01
|
23
|
33
|
23
|
43
|
27
|
13
|
14
|
20
|
21
|
25
|
30
|
16
|
16
|
22
|
22
|
27
|
37
|
20
|
17
|
20
|
18
|
20
|
19
|
20
|
16
|
19
|
18
|
23
|
23
|
17
|
17
|
|
2023/12
|
26
|
40
|
33
|
42
|
28
|
37
|
17
|
22
|
16
|
19
|
20
|
17
|
18
|
19
|
20
|
22
|
21
|
20
|
18
|
18
|
20
|
32
|
53
|
60
|
61
|
36
|
35
|
51
|
66
|
30
|
21
|
|
2023/11
|
23
|
26
|
20
|
15
|
18
|
19
|
20
|
21
|
25
|
22
|
17
|
17
|
22
|
22
|
51
|
52
|
24
|
22
|
22
|
21
|
47
|
21
|
22
|
21
|
20
|
34
|
36
|
23
|
19
|
20
|
|
|
2023/10
|
20
|
19
|
22
|
19
|
24
|
23
|
20
|
25
|
28
|
22
|
23
|
26
|
29
|
38
|
35
|
22
|
18
|
25
|
18
|
18
|
19
|
18
|
24
|
67
|
37
|
19
|
20
|
35
|
35
|
55
|
30
|
|
2023/09
|
21
|
26
|
25
|
25
|
19
|
20
|
24
|
32
|
16
|
19
|
24
|
16
|
17
|
22
|
19
|
16
|
28
|
27
|
21
|
19
|
20
|
21
|
22
|
26
|
30
|
28
|
26
|
22
|
19
|
19
|
|
|
2023/08
|
38
|
34
|
32
|
29
|
26
|
23
|
21
|
19
|
19
|
25
|
24
|
18
|
13
|
19
|
33
|
29
|
27
|
30
|
26
|
22
|
29
|
28
|
26
|
20
|
18
|
20
|
21
|
21
|
18
|
19
|
21
|
|
2023/07
|
26
|
23
|
27
|
28
|
32
|
27
|
23
|
27
|
30
|
33
|
31
|
46
|
53
|
34
|
21
|
18
|
22
|
27
|
27
|
33
|
31
|
24
|
26
|
24
|
36
|
63
|
34
|
36
|
34
|
27
|
28
|
|
2023/06
|
21
|
22
|
31
|
30
|
28
|
30
|
27
|
29
|
28
|
27
|
26
|
27
|
31
|
27
|
19
|
26
|
24
|
23
|
27
|
32
|
29
|
21
|
24
|
30
|
41
|
42
|
49
|
40
|
30
|
28
|
|
|
2023/05
|
38
|
44
|
84
|
29
|
29
|
32
|
28
|
27
|
27
|
29
|
31
|
35
|
33
|
33
|
31
|
26
|
25
|
23
|
27
|
76
|
45
|
23
|
27
|
45
|
60
|
35
|
32
|
22
|
21
|
22
|
24
|
|
2023/04
|
42
|
64
|
80
|
35
|
38
|
47
|
56
|
28
|
51
|
126
|
88
|
39
|
25
|
24
|
23
|
27
|
27
|
40
|
26
|
29
|
24
|
25
|
25
|
27
|
31
|
27
|
28
|
31
|
28
|
27
|
|
|
2023/03
|
24
|
28
|
31
|
36
|
76
|
66
|
23
|
22
|
27
|
32
|
36
|
27
|
24
|
24
|
35
|
25
|
24
|
26
|
27
|
39
|
83
|
227
|
109
|
46
|
26
|
36
|
41
|
45
|
64
|
26
|
32
|
|
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