Air Quality
Excellent
No health implications.
25
PM2.5
37
PM10
58
O3
0.4
CO
5
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
55
Good
Thu
25 Apr
54
Good
Fri
26 Apr
61
Good
Sat
27 Apr
74
Good
Sun
28 Apr
56
Good
Mon
29 Apr
59
Good
Tue
30 Apr
68
Good
Air quality in the last 12 months (Tianquan)
|
2024/02
|
54
|
48
|
24
|
30
|
39
|
36
|
42
|
44
|
36
|
81
|
74
|
72
|
65
|
80
|
29
|
29
|
40
|
56
|
72
|
150
|
55
|
45
|
32
|
41
|
65
|
83
|
86
|
61
|
33
|
||
|
2024/01
|
158
|
57
|
48
|
88
|
58
|
60
|
96
|
74
|
78
|
87
|
106
|
127
|
164
|
115
|
69
|
66
|
79
|
85
|
82
|
37
|
29
|
26
|
38
|
36
|
50
|
49
|
64
|
81
|
88
|
105
|
78
|
|
2023/12
|
38
|
57
|
60
|
71
|
82
|
44
|
57
|
87
|
95
|
105
|
59
|
70
|
73
|
62
|
39
|
51
|
58
|
58
|
64
|
84
|
78
|
66
|
108
|
61
|
89
|
107
|
101
|
151
|
117
|
98
|
204
|
|
2023/11
|
47
|
36
|
20
|
29
|
30
|
38
|
48
|
62
|
44
|
69
|
33
|
20
|
20
|
32
|
24
|
31
|
43
|
57
|
58
|
71
|
57
|
27
|
41
|
67
|
78
|
25
|
43
|
44
|
49
|
45
|
|
|
2023/10
|
24
|
17
|
16
|
16
|
14
|
12
|
16
|
19
|
13
|
21
|
25
|
15
|
14
|
19
|
32
|
43
|
61
|
24
|
13
|
19
|
31
|
45
|
59
|
60
|
44
|
22
|
17
|
27
|
46
|
54
|
42
|
|
2023/09
|
18
|
25
|
34
|
41
|
48
|
49
|
46
|
38
|
43
|
25
|
21
|
20
|
25
|
33
|
37
|
37
|
42
|
28
|
24
|
20
|
18
|
21
|
15
|
13
|
13
|
26
|
30
|
25
|
19
|
27
|
|
|
2023/08
|
24
|
23
|
24
|
21
|
22
|
21
|
23
|
25
|
23
|
23
|
23
|
22
|
23
|
27
|
27
|
29
|
33
|
28
|
35
|
23
|
24
|
32
|
29
|
19
|
19
|
17
|
21
|
24
|
25
|
20
|
21
|
|
2023/07
|
31
|
33
|
37
|
23
|
30
|
35
|
36
|
42
|
57
|
57
|
45
|
18
|
18
|
29
|
31
|
29
|
38
|
42
|
47
|
40
|
37
|
37
|
41
|
26
|
23
|
18
|
17
|
19
|
24
|
29
|
26
|
|
2023/06
|
23
|
26
|
18
|
18
|
20
|
23
|
28
|
25
|
26
|
28
|
30
|
36
|
34
|
25
|
30
|
38
|
35
|
26
|
20
|
24
|
24
|
27
|
36
|
42
|
44
|
57
|
57
|
37
|
31
|
25
|
|
|
2023/05
|
50
|
54
|
51
|
44
|
40
|
43
|
25
|
20
|
16
|
15
|
18
|
27
|
30
|
34
|
37
|
47
|
45
|
32
|
37
|
53
|
31
|
27
|
32
|
49
|
46
|
24
|
32
|
24
|
30
|
39
|
52
|
|
2023/04
|
45
|
54
|
37
|
31
|
24
|
34
|
61
|
61
|
63
|
64
|
46
|
37
|
38
|
29
|
44
|
50
|
65
|
34
|
39
|
40
|
25
|
17
|
16
|
19
|
25
|
31
|
38
|
40
|
31
|
44
|
|
|
2023/03
|
48
|
50
|
51
|
56
|
53
|
63
|
82
|
53
|
34
|
35
|
43
|
27
|
25
|
42
|
46
|
54
|
50
|
42
|
30
|
34
|
27
|
32
|
33
|
23
|
25
|
26
|
19
|
21
|
25
|
40
|
48
|
|
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