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
24 Jun
Thu
25 Jun
Fri
26 Jun
Sat
27 Jun
Sun
28 Jun
Mon
29 Jun
Tue
30 Jun
Real-time AQI (Monitoring Station in Hechi)
市环保站
188
PM2.5
18
PM10
16
O3
0.9
CO
3
SO2
8
NO2
上任中路54号
293
PM2.5
29
PM10
10
O3
0.8
CO
3
SO2
16
NO2
Air quality in the last 12 months (Hechi)
|
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
|
|
|
2025/08
|
18
|
29
|
29
|
37
|
26
|
20
|
20
|
27
|
25
|
24
|
24
|
30
|
26
|
28
|
11
|
16
|
21
|
18
|
12
|
14
|
22
|
21
|
25
|
26
|
25
|
22
|
23
|
22
|
24
|
23
|
23
|
|
2025/07
|
20
|
20
|
21
|
24
|
25
|
31
|
32
|
35
|
34
|
24
|
22
|
25
|
26
|
18
|
22
|
28
|
27
|
32
|
23
|
26
|
17
|
12
|
12
|
20
|
21
|
18
|
23
|
30
|
29
|
29
|
24
|
|
2025/06
|
29
|
16
|
14
|
27
|
43
|
34
|
30
|
26
|
26
|
27
|
28
|
29
|
24
|
22
|
26
|
19
|
18
|
18
|
15
|
15
|
17
|
18
|
25
|
27
|
24
|
27
|
21
|
19
|
23
|
20
|
|
|
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