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
17 Jun
Wed
18 Jun
Thu
19 Jun
Fri
20 Jun
Sat
21 Jun
Sun
22 Jun
Mon
23 Jun
Real-time AQI (Monitoring Station in Zhangye)
监测站
3620
PM2.5
29
PM10
113
O3
0.4
CO
5
SO2
21
NO2
科委
343
PM2.5
32
PM10
106
O3
0.4
CO
7
SO2
23
NO2
Air quality in the last 12 months (Zhangye)
|
2025/05
|
77
|
94
|
100
|
303
|
246
|
163
|
114
|
180
|
40
|
33
|
32
|
50
|
52
|
45
|
49
|
111
|
129
|
67
|
47
|
98
|
72
|
53
|
30
|
42
|
34
|
34
|
39
|
207
|
117
|
46
|
48
|
|
2025/04
|
330
|
167
|
235
|
100
|
169
|
222
|
160
|
109
|
94
|
77
|
225
|
208
|
41
|
56
|
121
|
101
|
171
|
59
|
77
|
57
|
79
|
64
|
41
|
42
|
53
|
51
|
66
|
96
|
157
|
87
|
|
|
2025/03
|
74
|
53
|
72
|
68
|
53
|
281
|
219
|
112
|
439
|
193
|
285
|
109
|
72
|
52
|
40
|
54
|
70
|
78
|
90
|
96
|
94
|
98
|
134
|
189
|
386
|
159
|
52
|
64
|
64
|
65
|
253
|
|
2025/02
|
54
|
51
|
40
|
38
|
40
|
37
|
44
|
55
|
59
|
52
|
111
|
71
|
45
|
58
|
92
|
77
|
78
|
87
|
87
|
78
|
75
|
78
|
67
|
87
|
81
|
63
|
75
|
85
|
|||
|
2025/01
|
78
|
67
|
81
|
77
|
44
|
59
|
70
|
65
|
67
|
55
|
106
|
61
|
75
|
55
|
41
|
48
|
78
|
53
|
53
|
43
|
87
|
84
|
87
|
70
|
76
|
81
|
64
|
68
|
67
|
54
|
42
|
|
2024/12
|
46
|
58
|
61
|
67
|
55
|
48
|
57
|
63
|
74
|
69
|
73
|
72
|
56
|
54
|
49
|
55
|
62
|
64
|
68
|
74
|
66
|
102
|
89
|
62
|
62
|
48
|
46
|
77
|
129
|
69
|
102
|
|
2024/11
|
79
|
70
|
74
|
72
|
62
|
59
|
68
|
83
|
89
|
100
|
72
|
76
|
68
|
143
|
173
|
59
|
69
|
77
|
64
|
62
|
68
|
77
|
99
|
63
|
34
|
52
|
46
|
46
|
45
|
50
|
|
|
2024/10
|
36
|
38
|
47
|
53
|
49
|
37
|
51
|
71
|
63
|
59
|
62
|
55
|
56
|
71
|
72
|
70
|
63
|
111
|
219
|
101
|
40
|
36
|
46
|
60
|
54
|
63
|
46
|
60
|
65
|
71
|
71
|
|
2024/09
|
28
|
30
|
65
|
17
|
20
|
20
|
25
|
55
|
60
|
35
|
27
|
39
|
37
|
42
|
51
|
45
|
31
|
41
|
33
|
28
|
34
|
40
|
42
|
85
|
66
|
37
|
62
|
47
|
44
|
31
|
|
|
2024/08
|
42
|
18
|
22
|
26
|
35
|
36
|
28
|
166
|
133
|
24
|
24
|
43
|
48
|
51
|
31
|
28
|
26
|
27
|
29
|
39
|
33
|
45
|
47
|
122
|
89
|
77
|
51
|
68
|
51
|
100
|
65
|
|
2024/07
|
22
|
25
|
60
|
157
|
63
|
37
|
41
|
297
|
116
|
68
|
79
|
49
|
44
|
29
|
22
|
28
|
47
|
47
|
26
|
251
|
101
|
54
|
38
|
27
|
25
|
35
|
33
|
47
|
40
|
35
|
37
|
|
2024/06
|
53
|
50
|
51
|
37
|
70
|
41
|
49
|
37
|
28
|
33
|
37
|
33
|
159
|
40
|
55
|
56
|
86
|
194
|
45
|
21
|
35
|
37
|
38
|
49
|
106
|
66
|
67
|
41
|
84
|
21
|
|
|
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