Air Quality in Saitama, Japan

Rain
23.7°C · 84.3% humidity
23.7°
Feels 23.7°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
48 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 5am
11
10
67 8am
53
38
27 11am
20
14
10 2pm
7
5
4 5pm
3
2
1 8pm
1
11
11 11pm
11
73
73 2am
73
73
Station readings
10
AD 728×90

Air Quality Index Trend

47h · 38 stn

Saitama's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions. Current PM2.5 concentration in Saitama is 1.3× the WHO 24-hour guideline of 15 µg/m³.

84.3%
Humidity
38.8 km/h
Wind NNW
1002.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
67
19.86 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Saitama?

Temperature & Precipitation

PM2.5 Trend

47h · 38 stations
PM2.519.86 µg/m³ ×1.3 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (48 stations within 25 km)
19.86
Median
13.22
Average
1.9
Low
24.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +3.3

What is the 7-day forecast for Saitama?

07-21
33.5° 22.1°
14.81 mm
07-22
31.8° 23.7°
2.75 mm
07-23
28.8° 21.7°
0.56 mm
07-24
30.2° 24.9°
1.13 mm
07-25
34.6° 23.9°
0.13 mm
07-26
31.5° 25.2°
0.75 mm
07-27
33.8° 24.6°
16.0 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Saitama?

23
Mikura, Saitama, Japan (さいたま市片柳さいたま市見沼区)
1.5 km PM2.5: 5.5 µg/m³
68
Sasakubo, Saitama, Japan (さいたま市城南さいたま市岩槻区)
6.4 km PM2.5: 20.2 µg/m³
69
Miyaharacho, Saitama, Japan (さいたま市宮原さいたま市北区)
6.7 km PM2.5: 20.7 µg/m³
68
Saitama, Japan (さいたま市三橋自排さいたま市西区)
7.2 km PM2.5: 20.2 µg/m³
49
Mashito, Kasukabe-shi, Saitama-ken, Japan (春日部増戸自排春日部市)
8.2 km PM2.5: 11.8 µg/m³
63
Mashito, Kasukabe-shi, Saitama-ken, Japan (春日部増戸自排春日部市)
8.2 km PM2.5: 17.8 µg/m³
4
Shibahinotsume, Kawaguchi, Saitama, Japan (川口市芝川口市)
8.8 km PM2.5: 1.0 µg/m³
48
Sekiyama, Hasuda-shi, Saitama-ken, Japan (蓮田蓮田市)
9.0 km PM2.5: 11.5 µg/m³
16
Sekiyama, Hasuda-shi, Saitama-ken, Japan (蓮田蓮田市)
9.0 km PM2.5: 3.8 µg/m³
58
Sengendainishi, Koshigaya, Saitama Prefecture, Japan (越谷市千間台西越谷市)
9.9 km PM2.5: 15.4 µg/m³

What cities are near Saitama?

59 Yono 54 Sashiōgi 52 Hasuda 53 Iwatsuki 48 Ageo 39 Warabi 51 Shinden 53 Shiki 48 Shimotoda 54 Hatogaya-honchō
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T23:16 UTC.