Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
36
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jun
44
Excellent
Sat
13 Jun
46
Excellent
Sun
14 Jun
50
Excellent
Mon
15 Jun
56
Good
Tue
16 Jun
49
Excellent
Wed
17 Jun
21
Excellent
Thu
18 Jun
26
Excellent
Air quality in the last 12 months (Huichang)
|
2026/04
|
25
|
28
|
22
|
25
|
36
|
25
|
26
|
24
|
32
|
37
|
41
|
35
|
35
|
39
|
30
|
42
|
27
|
31
|
37
|
40
|
33
|
25
|
17
|
23
|
27
|
41
|
51
|
48
|
24
|
24
|
|
|
2026/03
|
15
|
14
|
20
|
25
|
31
|
32
|
37
|
49
|
32
|
35
|
40
|
40
|
41
|
42
|
45
|
54
|
48
|
36
|
25
|
29
|
30
|
34
|
44
|
32
|
27
|
28
|
34
|
29
|
36
|
33
|
23
|
|
2026/02
|
18
|
32
|
45
|
49
|
42
|
49
|
19
|
28
|
38
|
46
|
35
|
41
|
48
|
38
|
34
|
32
|
36
|
36
|
34
|
27
|
34
|
51
|
41
|
33
|
20
|
26
|
13
|
13
|
|||
|
2026/01
|
42
|
18
|
32
|
45
|
43
|
43
|
43
|
42
|
44
|
42
|
47
|
57
|
54
|
54
|
59
|
68
|
63
|
81
|
84
|
39
|
27
|
39
|
49
|
58
|
62
|
59
|
41
|
37
|
48
|
49
|
18
|
|
2025/12
|
50
|
55
|
63
|
62
|
66
|
62
|
61
|
60
|
67
|
72
|
68
|
58
|
32
|
28
|
44
|
45
|
47
|
56
|
55
|
49
|
64
|
58
|
51
|
43
|
22
|
43
|
46
|
51
|
47
|
49
|
61
|
|
2025/11
|
34
|
42
|
36
|
17
|
17
|
26
|
41
|
42
|
22
|
12
|
37
|
21
|
23
|
33
|
38
|
46
|
48
|
29
|
24
|
32
|
36
|
43
|
52
|
49
|
54
|
59
|
56
|
56
|
52
|
52
|
|
|
2025/10
|
39
|
29
|
28
|
34
|
22
|
20
|
27
|
30
|
34
|
32
|
32
|
29
|
25
|
26
|
30
|
34
|
33
|
43
|
26
|
14
|
15
|
18
|
31
|
35
|
46
|
59
|
60
|
57
|
45
|
56
|
38
|
|
2025/09
|
22
|
20
|
23
|
27
|
27
|
32
|
26
|
11
|
13
|
16
|
14
|
27
|
23
|
27
|
27
|
24
|
26
|
21
|
19
|
14
|
19
|
25
|
28
|
18
|
19
|
21
|
28
|
32
|
33
|
40
|
|
|
2025/08
|
25
|
25
|
15
|
15
|
13
|
15
|
21
|
20
|
26
|
27
|
23
|
27
|
25
|
11
|
16
|
16
|
20
|
18
|
17
|
18
|
19
|
20
|
29
|
21
|
20
|
19
|
20
|
21
|
21
|
22
|
27
|
|
2025/07
|
22
|
24
|
28
|
34
|
29
|
26
|
32
|
36
|
29
|
15
|
18
|
16
|
20
|
22
|
25
|
31
|
35
|
30
|
17
|
12
|
13
|
13
|
19
|
18
|
22
|
27
|
20
|
19
|
23
|
20
|
23
|
|
2025/06
|
19
|
21
|
14
|
24
|
32
|
35
|
32
|
32
|
23
|
26
|
23
|
19
|
23
|
15
|
14
|
16
|
15
|
18
|
18
|
15
|
14
|
15
|
17
|
22
|
26
|
19
|
16
|
18
|
19
|
19
|
|
|
2025/05
|
47
|
49
|
50
|
43
|
21
|
24
|
35
|
27
|
18
|
35
|
26
|
34
|
37
|
34
|
31
|
25
|
22
|
18
|
16
|
19
|
22
|
27
|
24
|
30
|
45
|
40
|
42
|
31
|
12
|
18
|
27
|
|
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