Saint Louis, Missouri Weather Forecast | AerisWeather

Local

Saint Louis, MO, US

38.631974, -90.191176

Air Quality

Updated an hour ago

25

Good

Primary Pollutant: PM2.5

O3	40 µg/m3 (18)
PM2.5	6 µg/m3 (25)
PM10	21 µg/m3 (19)

CO	343 µg/m3 (3)
NO2	13 µg/m3 (7)
SO2	2 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Alton	11	O3	n/a	n/a	n/a	24 (11)	n/a	n/a
Jerseyville	25	PM2.5	6 (25)	n/a	n/a	43 (20)	n/a	n/a
Granite City	33	PM2.5	7.9 (33)	n/a	n/a	n/a	n/a	n/a
Baldwin	32	PM2.5	7.7 (32)	n/a	n/a	24 (11)	n/a	n/a
Wood River	26	PM2.5	6.4 (26)	n/a	n/a	22 (10)	n/a	n/a
East Saint Louis	47	PM2.5	11 (47)	n/a	n/a	5.88 (3)	n/a	n/a
Foley	28	O3	n/a	n/a	n/a	61 (28)	n/a	n/a
Earth City	18	NO2	n/a	n/a	36 (18)	n/a	n/a	0.524 (0)
Brooklyn	30	NO2	n/a	n/a	62 (30)	9.8 (4)	458 (4)	2.62 (1)
Brooklyn	63	PM2.5	18 (63)	60 (53)	n/a	n/a	n/a	n/a

Source: Illinois EPA, Missouri Department of Natural Resources

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Wednesday, May 8																Thursday, May 9																								Friday, May 10																								Saturday, May 11																								Sunday, May 12
8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am
26	26	32	33	35	36	36	31	22	24	28	31	37	48	51	50	53	54	57	43	27	15	13	16	18	20	24	27	32	34	28	29	31	31	28	23	21	17	24	32	40	44	42	31	23	15	12	15	19	18	21	26	30	32	35	36	37	38	39	37	33	28	20	18	19	17	19	21	24	29	27	25	29	33	36	38	39	41	41	42	42	41	40	39	34	29	25	29	29	32	29	29	29	25	25	25	27
PM2.5	O3	O3	PM2.5	PM2.5	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3

ESE	ESE	SE	SSE	SE	ESE	SSE	SE	SE	SE	SSE	SSE	S	SSE	S	S	SW	WSW	WSW	W	W	W	W	W	W	W	W	W	WNW	WNW	WNW	WNW	NW	NW	NW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NNW	NW	NW	NW	NW	NW	NW	WNW	WNW	W	W	WSW	WSW	WSW	WSW	W	W	W	WNW	WNW	WNW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	WNW	W	W	WSW	WSW	SW	SW	SW	SW	SW
5 8	7 12	10 16	10 17	10 16	10 16	12 19	13 21	15 23	13 22	13 21	13 20	11 18	13 20	11 17	10 16	10 16	10 16	10 17	10 17	10 16	10 16	10 16	11 18	12 19	13 20	14 23	15 24	16 25	17 27	17 28	17 28	18 30	16 26	14 23	12 20	11 18	9 15	8 13	7 12	7 11	7 11	6 10	6 10	6 9	6 9	6 10	6 10	7 11	8 13	9 15	10 15	10 16	11 17	11 18	12 19	13 20	12 19	11 17	10 16	8 13	6 10	5 7	5 8	6 10	7 11	7 11	7 12	8 12	9 14	10 17	12 19	12 19	12 20	13 21	13 22	14 23	15 24	15 24	15 24	15 24	14 22	12 20	11 17	9 15	8 12	6 10	5 9	5 8	5 9	5 9	6 9	6 9	6 9	5 9	5 8	6 9
65 18.6	71 21.5	75 23.9	77 25	78 25.5	78 25.4	76 24.6	76 24.2	75 23.7	74 23.4	73 22.8	72 22.2	71 21.5	69 20.8	69 20.6	68 20.2	68 19.7	67 19.4	66 18.8	65 18.5	65 18.1	63 17.4	62 16.8	62 16.7	64 17.5	66 18.7	68 19.9	70 21.1	72 22	73 22.6	72 22.4	72 22.3	72 22.1	70 21	68 20.2	67 19.3	64 18	62 16.6	59 15.2	58 14.6	57 14	56 13.4	55 13	55 12.6	54 12.3	54 12.2	54 12.1	54 12	56 13.3	58 14.5	60 15.8	62 16.9	65 18.1	67 19.2	67 19.7	68 20.2	69 20.7	69 20.3	68 19.9	67 19.5	65 18.2	62 16.8	60 15.4	59 14.8	57 14.1	56 13.5	56 13.3	56 13.1	55 12.9	56 13.1	56 13.2	56 13.3	59 15.3	63 17.2	66 19.1	68 20.3	71 21.4	73 22.6	73 22.9	74 23.2	74 23.5	73 22.8	72 22	70 21.2	67 19.7	65 18.2	62 16.7	60 15.8	59 15	57 14.1	57 13.7	56 13.2	55 12.7	55 12.8	55 12.9	55 13	60 15.5

Source: CAMS, Vaisala Xweather

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