Air Quality
Excellent
No health implications.
8
PM2.5
15
PM10
16
O3
0.7
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jun
34
Excellent
Thu
26 Jun
37
Excellent
Fri
27 Jun
32
Excellent
Sat
28 Jun
38
Excellent
Sun
29 Jun
36
Excellent
Mon
30 Jun
29
Excellent
Tue
1 Jul
15
Excellent
Heqing Air quality rank
Air quality in the last 12 months (Heqing)
|
2025/05
|
24
|
20
|
23
|
14
|
17
|
22
|
24
|
18
|
25
|
32
|
23
|
29
|
25
|
24
|
26
|
27
|
28
|
26
|
25
|
20
|
16
|
21
|
28
|
15
|
13
|
21
|
14
|
12
|
12
|
13
|
12
|
|
2025/04
|
71
|
63
|
57
|
48
|
47
|
41
|
46
|
49
|
47
|
42
|
34
|
33
|
21
|
32
|
36
|
21
|
26
|
31
|
22
|
22
|
22
|
23
|
35
|
39
|
44
|
44
|
46
|
49
|
34
|
38
|
|
|
2025/03
|
34
|
28
|
23
|
33
|
37
|
47
|
50
|
59
|
46
|
43
|
44
|
49
|
56
|
36
|
23
|
35
|
26
|
32
|
20
|
35
|
50
|
32
|
27
|
24
|
24
|
21
|
25
|
44
|
90
|
77
|
65
|
|
2025/02
|
31
|
36
|
51
|
44
|
33
|
36
|
39
|
31
|
32
|
28
|
28
|
29
|
35
|
38
|
24
|
34
|
29
|
39
|
25
|
24
|
26
|
30
|
39
|
32
|
34
|
20
|
17
|
29
|
|||
|
2025/01
|
33
|
37
|
46
|
43
|
38
|
30
|
27
|
29
|
27
|
26
|
31
|
30
|
27
|
29
|
37
|
52
|
40
|
21
|
27
|
36
|
55
|
42
|
30
|
19
|
24
|
32
|
29
|
45
|
68
|
29
|
26
|
|
2024/12
|
24
|
22
|
20
|
22
|
21
|
22
|
23
|
23
|
19
|
24
|
28
|
34
|
25
|
21
|
19
|
23
|
30
|
40
|
27
|
22
|
30
|
25
|
32
|
34
|
28
|
34
|
40
|
47
|
25
|
26
|
28
|
|
2024/11
|
30
|
35
|
27
|
29
|
21
|
27
|
15
|
12
|
17
|
24
|
26
|
20
|
25
|
27
|
29
|
33
|
37
|
33
|
26
|
27
|
20
|
26
|
22
|
20
|
24
|
27
|
27
|
30
|
28
|
25
|
|
|
2024/10
|
15
|
14
|
19
|
21
|
16
|
17
|
17
|
18
|
17
|
21
|
18
|
19
|
20
|
22
|
21
|
18
|
17
|
24
|
31
|
23
|
35
|
29
|
24
|
17
|
18
|
30
|
26
|
43
|
33
|
24
|
25
|
|
2024/09
|
18
|
19
|
20
|
17
|
15
|
20
|
27
|
27
|
21
|
14
|
18
|
17
|
23
|
26
|
23
|
23
|
20
|
21
|
26
|
26
|
29
|
26
|
25
|
29
|
28
|
21
|
21
|
16
|
16
|
19
|
|
|
2024/08
|
17
|
27
|
20
|
13
|
15
|
21
|
20
|
17
|
18
|
14
|
16
|
25
|
20
|
33
|
36
|
24
|
26
|
18
|
15
|
19
|
23
|
27
|
30
|
29
|
24
|
24
|
24
|
26
|
27
|
30
|
16
|
|
2024/07
|
12
|
18
|
15
|
15
|
14
|
17
|
16
|
15
|
14
|
14
|
18
|
13
|
21
|
20
|
18
|
18
|
21
|
20
|
21
|
23
|
16
|
20
|
15
|
18
|
16
|
19
|
23
|
26
|
21
|
16
|
19
|
|
2024/06
|
36
|
29
|
27
|
26
|
26
|
27
|
22
|
23
|
27
|
23
|
30
|
21
|
16
|
16
|
15
|
21
|
21
|
21
|
23
|
27
|
26
|
28
|
21
|
15
|
14
|
24
|
21
|
14
|
15
|
11
|
|
|
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