ID: 7734

AQSQID: 840061079998

Site Name: Springville

Added: April 21, 2020, 6:24 p.m.

Updated: March 7, 2021, 2:32 p.m.

Location: Springville (California Hwy 190), CA

Reporting: True, Located: True

Current AQI: 50.0

Springville (California Hwy 190) CA, US: 36.1358, -118.8108

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.9 μg/m3 (42) 42.0
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.2 μg/m3 (43) 43.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 15.7 μg/m3 (59) 59.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 11.1 μg/m3 (47) 47.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.8 μg/m3 (55) 55.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.2 μg/m3 (43) 43.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 15.8 μg/m3 (59) 59.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.8 μg/m3 (53) 53.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.2 μg/m3 (43) 43.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 14.5 μg/m3 (57) 57.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.1 μg/m3 (26) 33.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 11.1 μg/m3 (47) 47.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 15.0 μg/m3 (58) 58.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.9 μg/m3 (57) 57.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 15.0 μg/m3 (58) 58.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 15.9 μg/m3 (59) 59.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 15.0 μg/m3 (58) 58.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 16.0 μg/m3 (60) 60.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 16.0 μg/m3 (60) 60.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 17.0 μg/m3 (62) 62.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 18.7 μg/m3 (65) 65.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 14.2 μg/m3 (56) 56.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 18.7 μg/m3 (65) 65.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 13.1 μg/m3 (54) 54.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 16.0 μg/m3 (60) 60.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 16.5 μg/m3 (61) 61.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 8.1 μg/m3 (34) 43.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 13.6 μg/m3 (55) 55.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.2 μg/m3 (31) 33.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.1 μg/m3 (43) 43.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 13.9 μg/m3 (55) 55.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 12.8 μg/m3 (53) 53.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 9.9 μg/m3 (42) 42.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 15.8 μg/m3 (59) 59.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 11.2 μg/m3 (47) 47.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 16.1 μg/m3 (60) 60.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 18.6 μg/m3 (65) 65.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 12.8 μg/m3 (53) 53.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 10.1 μg/m3 (43) 43.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.9 μg/m3 (53) 53.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.9 μg/m3 (50) 50.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 8.5 μg/m3 (36) 36.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 19.6 μg/m3 (67) 67.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 12.1 μg/m3 (51) 51.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 14.9 μg/m3 (57) 57.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 13.2 μg/m3 (54) 54.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 18.9 μg/m3 (66) 66.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 17.1 μg/m3 (62) 62.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 20.8 μg/m3 (70) 70.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 16.8 μg/m3 (61) 61.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 15.9 μg/m3 (59) 59.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 14.9 μg/m3 (57) 57.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 14.2 μg/m3 (56) 56.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 65.3 μg/m3 (157) 157.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.8 μg/m3 (57) 57.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 11.1 μg/m3 (47) 47.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 13.7 μg/m3 (55) 55.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 15.5 μg/m3 (59) 59.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.9 μg/m3 (29) 29.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.8 μg/m3 (53) 53.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 10.1 μg/m3 (43) 43.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 13.1 μg/m3 (54) 54.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.7 μg/m3 (57) 57.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 10.2 μg/m3 (43) 43.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 13.7 μg/m3 (55) 55.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 9.9 μg/m3 (42) 42.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 10.8 μg/m3 (46) 46.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.8 μg/m3 (37) 44.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.9 μg/m3 (29) 41.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.8 μg/m3 (20) 39.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.8 μg/m3 (57) 57.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 11.8 μg/m3 (50) 50.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.9 μg/m3 (38) 38.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.0 μg/m3 (30) 30.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 12.9 μg/m3 (53) 53.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.0 μg/m3 (55) 55.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 14.7 μg/m3 (57) 57.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 9.8 μg/m3 (41) 41.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 8.7 μg/m3 (37) 45.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.9 μg/m3 (25) 44.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.8 μg/m3 (20) 43.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.9 μg/m3 (13) 39.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.1 μg/m3 (22) 31.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.9 μg/m3 (33) 33.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.5 μg/m3 (28) 28.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 17.4 μg/m3 (63) 63.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.3 μg/m3 (31) 31.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 14.7 μg/m3 (57) 57.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 14.7 μg/m3 (57) 57.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 13.0 μg/m3 (53) 53.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.9 μg/m3 (57) 57.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 12.9 μg/m3 (53) 53.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.9 μg/m3 (46) 46.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.9 μg/m3 (38) 40.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.3 μg/m3 (35) 41.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 14.9 μg/m3 (57) 57.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 12.8 μg/m3 (53) 53.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.1 μg/m3 (26) 38.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.9 μg/m3 (42) 42.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.2 μg/m3 (43) 43.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 16.1 μg/m3 (60) 60.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 19.6 μg/m3 (67) 67.0