Air Quality
Excellent
No health implications.
7
PM2.5
9
PM10
40
O3
0.5
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Feb
51
Good
Wed
26 Feb
60
Good
Thu
27 Feb
60
Good
Fri
28 Feb
61
Good
Sat
1 Mar
74
Good
Sun
2 Mar
99
Good
Mon
3 Mar
50
Excellent
Air quality in the last 12 months (Tianquan)
|
2025/01
|
69
|
66
|
62
|
113
|
68
|
87
|
61
|
35
|
33
|
54
|
26
|
58
|
59
|
54
|
60
|
54
|
69
|
35
|
52
|
67
|
96
|
115
|
139
|
63
|
26
|
32
|
61
|
36
|
95
|
81
|
47
|
|
2024/12
|
62
|
61
|
77
|
67
|
33
|
60
|
44
|
23
|
19
|
26
|
33
|
46
|
34
|
29
|
35
|
49
|
81
|
71
|
129
|
109
|
72
|
33
|
34
|
30
|
41
|
36
|
66
|
51
|
67
|
28
|
37
|
|
2024/11
|
13
|
26
|
30
|
13
|
20
|
47
|
47
|
59
|
54
|
12
|
22
|
22
|
26
|
30
|
41
|
19
|
15
|
17
|
16
|
21
|
30
|
51
|
44
|
27
|
12
|
31
|
28
|
27
|
35
|
54
|
|
|
2024/10
|
14
|
25
|
21
|
21
|
21
|
26
|
31
|
40
|
42
|
14
|
21
|
21
|
39
|
43
|
42
|
37
|
20
|
34
|
15
|
19
|
22
|
17
|
27
|
51
|
38
|
16
|
17
|
25
|
44
|
34
|
30
|
|
2024/09
|
19
|
16
|
18
|
20
|
13
|
19
|
17
|
30
|
18
|
12
|
26
|
30
|
27
|
27
|
25
|
12
|
25
|
30
|
35
|
35
|
20
|
23
|
26
|
31
|
28
|
33
|
47
|
56
|
44
|
8
|
|
|
2024/08
|
32
|
37
|
24
|
14
|
23
|
24
|
34
|
29
|
21
|
18
|
48
|
31
|
32
|
41
|
37
|
19
|
28
|
27
|
30
|
41
|
42
|
47
|
52
|
40
|
40
|
34
|
36
|
40
|
45
|
39
|
36
|
|
2024/07
|
14
|
20
|
21
|
29
|
19
|
22
|
31
|
13
|
8
|
10
|
18
|
24
|
25
|
12
|
22
|
14
|
17
|
14
|
33
|
13
|
15
|
19
|
20
|
11
|
15
|
31
|
34
|
20
|
12
|
16
|
24
|
|
2024/06
|
44
|
17
|
26
|
21
|
29
|
34
|
16
|
22
|
14
|
23
|
21
|
35
|
25
|
30
|
32
|
37
|
11
|
20
|
18
|
32
|
20
|
12
|
25
|
19
|
29
|
28
|
17
|
22
|
25
|
31
|
|
|
2024/05
|
22
|
18
|
17
|
15
|
28
|
31
|
32
|
24
|
25
|
46
|
19
|
28
|
33
|
41
|
43
|
46
|
31
|
34
|
27
|
29
|
27
|
35
|
45
|
44
|
48
|
32
|
30
|
26
|
11
|
14
|
37
|
|
2024/04
|
46
|
43
|
37
|
29
|
28
|
14
|
16
|
16
|
25
|
25
|
20
|
37
|
45
|
46
|
53
|
44
|
24
|
16
|
24
|
32
|
44
|
50
|
18
|
21
|
33
|
40
|
53
|
60
|
36
|
10
|
|
|
2024/03
|
27
|
21
|
48
|
86
|
39
|
38
|
45
|
55
|
86
|
87
|
27
|
45
|
36
|
17
|
42
|
43
|
69
|
47
|
53
|
58
|
56
|
60
|
58
|
48
|
16
|
24
|
29
|
15
|
28
|
35
|
40
|
|
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
|
||
|
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