Air Quality
Severe
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will experience reduced endurance in activities and may also show noticeably strong symptoms. Other illnesses may be triggered in healthy people. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid outdoor activities.
Advise
Children, seniors and the sick should stay indoors and avoid physical exertion. General population should avoid outdoor activities.
Air Quality
Today
17 Jul
Sat
18 Jul
Sun
19 Jul
Mon
20 Jul
Tue
21 Jul
Wed
22 Jul
Thu
23 Jul
Real-time AQI (Monitoring Station in Zhangye)
监测站
35985
PM2.5
467 *
PM10
117
O3
0.4
CO
7
SO2
5
NO2
科委
500102
PM2.5
670 *
PM10
129
O3
0.3
CO
6
SO2
3
NO2
Air quality in the last 12 months (Zhangye)
|
2026/06
|
41
|
52
|
166
|
55
|
102
|
230
|
63
|
51
|
57
|
45
|
46
|
49
|
48
|
49
|
54
|
261
|
95
|
37
|
36
|
36
|
45
|
48
|
46
|
152
|
38
|
40
|
46
|
42
|
47
|
45
|
|
|
2026/05
|
44
|
50
|
44
|
41
|
46
|
77
|
57
|
55
|
100
|
96
|
68
|
66
|
229
|
74
|
58
|
88
|
87
|
62
|
59
|
97
|
95
|
85
|
80
|
62
|
62
|
40
|
43
|
55
|
52
|
51
|
50
|
|
2026/04
|
71
|
196
|
122
|
74
|
52
|
56
|
77
|
86
|
76
|
68
|
75
|
69
|
40
|
44
|
62
|
43
|
40
|
127
|
55
|
70
|
114
|
101
|
117
|
66
|
56
|
60
|
57
|
47
|
54
|
58
|
|
|
2026/03
|
120
|
108
|
112
|
160
|
86
|
74
|
91
|
64
|
62
|
64
|
205
|
433
|
197
|
108
|
98
|
116
|
58
|
253
|
197
|
206
|
123
|
169
|
111
|
87
|
99
|
96
|
41
|
41
|
56
|
88
|
69
|
|
2026/02
|
100
|
84
|
89
|
68
|
134
|
270
|
122
|
91
|
164
|
117
|
103
|
85
|
86
|
70
|
90
|
88
|
121
|
61
|
43
|
89
|
419
|
168
|
91
|
100
|
116
|
88
|
154
|
104
|
|||
|
2026/01
|
64
|
74
|
63
|
50
|
67
|
54
|
66
|
48
|
72
|
60
|
46
|
46
|
171
|
299
|
90
|
90
|
67
|
43
|
50
|
62
|
67
|
69
|
62
|
335
|
422
|
162
|
119
|
116
|
187
|
247
|
134
|
|
2025/12
|
58
|
60
|
52
|
58
|
60
|
62
|
62
|
64
|
91
|
196
|
101
|
75
|
47
|
49
|
73
|
57
|
62
|
65
|
63
|
37
|
41
|
78
|
71
|
51
|
61
|
53
|
41
|
66
|
60
|
69
|
68
|
|
2025/11
|
78
|
71
|
71
|
68
|
81
|
221
|
111
|
224
|
88
|
84
|
86
|
81
|
83
|
86
|
86
|
42
|
41
|
65
|
85
|
83
|
81
|
78
|
178
|
58
|
56
|
218
|
61
|
77
|
81
|
114
|
|
|
2025/10
|
62
|
52
|
86
|
55
|
41
|
50
|
37
|
38
|
32
|
34
|
31
|
29
|
40
|
59
|
61
|
52
|
52
|
81
|
103
|
70
|
78
|
95
|
84
|
81
|
74
|
67
|
73
|
66
|
89
|
75
|
72
|
|
2025/09
|
85
|
135
|
115
|
93
|
60
|
65
|
65
|
59
|
62
|
70
|
69
|
60
|
171
|
78
|
316
|
56
|
63
|
45
|
56
|
56
|
79
|
401
|
60
|
54
|
59
|
60
|
66
|
64
|
50
|
61
|
|
|
2025/08
|
34
|
33
|
46
|
36
|
26
|
30
|
24
|
24
|
30
|
51
|
55
|
59
|
46
|
34
|
38
|
39
|
44
|
31
|
90
|
102
|
24
|
32
|
39
|
28
|
55
|
38
|
26
|
26
|
30
|
38
|
47
|
|
2025/07
|
33
|
36
|
41
|
21
|
24
|
22
|
42
|
23
|
27
|
27
|
46
|
59
|
141
|
69
|
38
|
42
|
49
|
61
|
32
|
21
|
27
|
45
|
56
|
29
|
27
|
30
|
30
|
35
|
49
|
187
|
41
|
|
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