Air Quality
Excellent
No health implications.
24
PM2.5
33
PM10
132
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Sep
57
Good
Wed
1 Oct
73
Good
Thu
2 Oct
72
Good
Fri
3 Oct
59
Good
Sat
4 Oct
57
Good
Sun
5 Oct
60
Good
Mon
6 Oct
35
Excellent
Air quality in the last 12 months (Heping)
|
2025/08
|
23
|
27
|
20
|
15
|
14
|
24
|
30
|
35
|
28
|
20
|
16
|
27
|
26
|
11
|
19
|
26
|
29
|
21
|
18
|
19
|
27
|
21
|
27
|
23
|
28
|
18
|
20
|
26
|
27
|
28
|
34
|
|
2025/07
|
28
|
26
|
34
|
38
|
17
|
23
|
33
|
37
|
36
|
14
|
10
|
23
|
34
|
26
|
30
|
36
|
40
|
29
|
17
|
14
|
11
|
12
|
18
|
22
|
21
|
22
|
25
|
21
|
23
|
20
|
17
|
|
2025/06
|
35
|
25
|
14
|
28
|
38
|
40
|
37
|
42
|
30
|
31
|
32
|
28
|
19
|
18
|
17
|
21
|
19
|
26
|
24
|
15
|
18
|
21
|
25
|
25
|
23
|
17
|
21
|
21
|
22
|
24
|
|
|
2025/05
|
61
|
53
|
51
|
52
|
36
|
34
|
34
|
60
|
37
|
30
|
31
|
42
|
47
|
44
|
34
|
23
|
22
|
30
|
25
|
27
|
28
|
34
|
32
|
24
|
47
|
49
|
44
|
41
|
12
|
22
|
42
|
|
2025/04
|
21
|
42
|
53
|
61
|
45
|
52
|
60
|
68
|
87
|
64
|
52
|
53
|
142
|
97
|
94
|
85
|
66
|
61
|
46
|
45
|
45
|
39
|
36
|
36
|
23
|
19
|
39
|
44
|
47
|
62
|
|
|
2025/03
|
61
|
41
|
35
|
25
|
13
|
13
|
21
|
34
|
42
|
49
|
55
|
49
|
34
|
36
|
37
|
10
|
50
|
49
|
49
|
56
|
55
|
57
|
64
|
73
|
81
|
60
|
44
|
56
|
20
|
10
|
9
|
|
2025/02
|
54
|
29
|
15
|
29
|
53
|
56
|
18
|
50
|
44
|
41
|
48
|
54
|
48
|
44
|
52
|
67
|
48
|
56
|
36
|
43
|
26
|
23
|
21
|
32
|
48
|
66
|
76
|
64
|
|||
|
2025/01
|
69
|
70
|
68
|
54
|
63
|
66
|
65
|
69
|
66
|
59
|
51
|
50
|
61
|
59
|
69
|
84
|
64
|
58
|
59
|
59
|
63
|
66
|
66
|
47
|
37
|
25
|
23
|
46
|
128
|
52
|
45
|
|
2024/12
|
64
|
65
|
51
|
46
|
54
|
52
|
45
|
34
|
42
|
45
|
44
|
29
|
25
|
48
|
55
|
54
|
61
|
60
|
56
|
50
|
50
|
64
|
74
|
51
|
57
|
61
|
70
|
76
|
69
|
66
|
68
|
|
2024/11
|
19
|
21
|
39
|
48
|
46
|
43
|
34
|
35
|
50
|
50
|
46
|
35
|
29
|
35
|
42
|
25
|
28
|
18
|
17
|
14
|
17
|
24
|
31
|
35
|
28
|
16
|
28
|
30
|
39
|
55
|
|
|
2024/10
|
18
|
14
|
24
|
25
|
24
|
30
|
29
|
23
|
29
|
38
|
48
|
49
|
45
|
46
|
45
|
37
|
38
|
47
|
44
|
22
|
30
|
36
|
33
|
36
|
33
|
35
|
43
|
17
|
31
|
42
|
25
|
|
2024/09
|
34
|
41
|
45
|
30
|
27
|
17
|
15
|
19
|
19
|
30
|
45
|
51
|
30
|
38
|
27
|
26
|
25
|
20
|
36
|
22
|
21
|
12
|
13
|
18
|
20
|
29
|
25
|
21
|
26
|
18
|
|
|
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