Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
Sat
24 Oct
Sun
25 Oct
Mon
26 Oct
Tue
27 Oct
Wed
28 Oct
Thu
29 Oct
Real-time AQI (Monitoring Station in Hechi)
市环保站
2815
PM2.5
28
PM10
32
O3
0.8
CO
10
SO2
7
NO2
上任中路54号
4019
PM2.5
40
PM10
35
O3
0.8
CO
8
SO2
7
NO2
Air quality in the last 12 months (Hechi)
|
2026/08
|
18
|
27
|
28
|
20
|
16
|
20
|
23
|
24
|
31
|
30
|
28
|
26
|
19
|
18
|
19
|
21
|
23
|
23
|
20
|
24
|
26
|
29
|
27
|
20
|
18
|
15
|
17
|
15
|
20
|
23
|
29
|
|
2026/07
|
15
|
25
|
26
|
20
|
13
|
19
|
15
|
18
|
20
|
19
|
29
|
32
|
33
|
34
|
22
|
26
|
24
|
28
|
21
|
22
|
27
|
32
|
29
|
29
|
34
|
31
|
36
|
22
|
23
|
21
|
22
|
|
2026/06
|
35
|
32
|
39
|
28
|
28
|
29
|
27
|
21
|
30
|
23
|
29
|
40
|
38
|
21
|
28
|
33
|
33
|
19
|
13
|
16
|
21
|
24
|
22
|
20
|
15
|
15
|
22
|
21
|
30
|
23
|
|
|
2026/05
|
35
|
39
|
20
|
30
|
33
|
38
|
29
|
25
|
27
|
29
|
28
|
40
|
46
|
41
|
33
|
23
|
19
|
20
|
20
|
26
|
23
|
24
|
30
|
32
|
31
|
34
|
33
|
29
|
22
|
22
|
26
|
|
2026/04
|
24
|
57
|
62
|
34
|
59
|
98
|
42
|
59
|
65
|
67
|
71
|
71
|
70
|
54
|
48
|
48
|
22
|
28
|
43
|
48
|
37
|
20
|
16
|
23
|
34
|
46
|
43
|
24
|
25
|
25
|
|
|
2026/03
|
40
|
17
|
15
|
19
|
39
|
47
|
61
|
51
|
11
|
18
|
28
|
40
|
49
|
59
|
65
|
56
|
36
|
25
|
40
|
28
|
27
|
34
|
58
|
56
|
40
|
66
|
50
|
28
|
41
|
50
|
35
|
|
2026/02
|
29
|
46
|
59
|
104
|
159
|
99
|
30
|
15
|
20
|
15
|
26
|
29
|
17
|
34
|
52
|
38
|
19
|
26
|
17
|
42
|
84
|
108
|
98
|
45
|
36
|
55
|
35
|
41
|
|||
|
2026/01
|
13
|
16
|
34
|
28
|
18
|
27
|
41
|
47
|
58
|
78
|
64
|
85
|
92
|
101
|
106
|
114
|
103
|
80
|
70
|
29
|
11
|
24
|
39
|
55
|
53
|
29
|
28
|
38
|
70
|
28
|
15
|
|
2025/12
|
75
|
74
|
57
|
67
|
58
|
64
|
73
|
55
|
64
|
84
|
91
|
76
|
20
|
38
|
49
|
60
|
62
|
52
|
60
|
60
|
38
|
54
|
58
|
17
|
32
|
48
|
56
|
58
|
77
|
75
|
75
|
|
2025/11
|
19
|
22
|
7
|
10
|
16
|
30
|
39
|
18
|
9
|
9
|
9
|
22
|
36
|
36
|
38
|
39
|
43
|
16
|
19
|
28
|
31
|
38
|
43
|
52
|
42
|
46
|
48
|
53
|
53
|
63
|
|
|
2025/10
|
21
|
24
|
24
|
24
|
24
|
12
|
18
|
21
|
26
|
30
|
33
|
35
|
29
|
19
|
19
|
23
|
31
|
38
|
14
|
8
|
8
|
10
|
16
|
34
|
37
|
20
|
24
|
26
|
39
|
48
|
26
|
|
2025/09
|
22
|
24
|
18
|
23
|
21
|
22
|
29
|
26
|
16
|
16
|
17
|
15
|
21
|
23
|
23
|
20
|
19
|
21
|
25
|
34
|
19
|
19
|
16
|
11
|
8
|
13
|
22
|
27
|
24
|
33
|
|
|
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
*: primary pollution