Air Quality
Excellent
No health implications.
21
PM2.5
35
PM10
129
O3
0.6
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
83
Good
Sun
4 May
50
Excellent
Mon
5 May
61
Good
Tue
6 May
72
Good
Wed
7 May
52
Good
Thu
8 May
50
Excellent
Fri
9 May
33
Excellent
Air quality in the last 12 months (Heping)
|
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
|
|
|
2024/08
|
25
|
31
|
33
|
44
|
36
|
40
|
33
|
33
|
37
|
47
|
40
|
34
|
22
|
26
|
21
|
20
|
25
|
18
|
18
|
14
|
14
|
22
|
26
|
26
|
38
|
44
|
36
|
34
|
37
|
32
|
31
|
|
2024/07
|
20
|
21
|
21
|
21
|
20
|
17
|
14
|
18
|
18
|
22
|
23
|
26
|
23
|
26
|
21
|
21
|
18
|
18
|
18
|
23
|
23
|
28
|
36
|
31
|
17
|
10
|
12
|
17
|
19
|
21
|
13
|
|
2024/06
|
12
|
10
|
36
|
25
|
25
|
29
|
28
|
30
|
25
|
26
|
22
|
30
|
36
|
26
|
24
|
22
|
22
|
26
|
20
|
21
|
24
|
31
|
23
|
17
|
20
|
22
|
23
|
21
|
16
|
20
|
|
|
2024/05
|
29
|
26
|
35
|
44
|
25
|
39
|
54
|
50
|
50
|
49
|
49
|
35
|
34
|
38
|
48
|
58
|
58
|
55
|
48
|
20
|
14
|
13
|
24
|
21
|
31
|
20
|
19
|
24
|
29
|
47
|
36
|
|
2024/04
|
40
|
60
|
46
|
46
|
26
|
32
|
18
|
34
|
24
|
43
|
54
|
60
|
73
|
49
|
58
|
54
|
42
|
34
|
40
|
48
|
24
|
37
|
37
|
26
|
31
|
24
|
32
|
16
|
26
|
27
|
|
|
2024/03
|
12
|
27
|
47
|
53
|
74
|
42
|
38
|
59
|
65
|
53
|
36
|
35
|
70
|
72
|
57
|
74
|
62
|
49
|
49
|
61
|
65
|
71
|
71
|
45
|
44
|
45
|
48
|
57
|
52
|
65
|
43
|
|
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