Air Quality
Excellent
No health implications.
8
PM2.5
12
PM10
49
O3
0.3
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
55
Good
Sun
28 Apr
53
Good
Mon
29 Apr
53
Good
Tue
30 Apr
51
Good
Wed
1 May
54
Good
Thu
2 May
51
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