Air Quality
Excellent
No health implications.
16
PM2.5
31
PM10
26
O3
0.5
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
57
Good
Sat
17 May
58
Good
Sun
18 May
57
Good
Mon
19 May
56
Good
Tue
20 May
50
Excellent
Wed
21 May
25
Excellent
Thu
22 May
46
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