ID: 481

AQSQID: 250154002

Site Name: Ware

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

Updated: May 26, 2022, 8:20 a.m.

Location: Ware (Enfield), MA

Reporting: True, Located: True

Current AQI: 27.0

Ware (Enfield) MA, US: 42.298302, -72.334396

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2022, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
May 26, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
May 26, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 26, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 26, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 26, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.7 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
May 26, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 25, 2022, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 6.0 μg/m3 (25) 46.0
 
May 25, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A N/A 46.0
 
May 25, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 4.0 μg/m3 (17) 46.0
 
May 25, 2022, 9 p.m. N/A N/A 2.3 ppb (3) N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 25, 2022, 8 p.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
May 25, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
May 25, 2022, 7 p.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A N/A 42.0
 
May 25, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
May 25, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 3.1 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
May 25, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 3.1 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
May 25, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) 6.0 ppb (6) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
May 25, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) 6.0 ppb (6) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
May 25, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 7.0 μg/m3 (30) 36.0
 
May 25, 2022, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
May 25, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
May 25, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
May 25, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 25, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 25, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.7 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
May 25, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
May 24, 2022, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 24, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
May 24, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
May 24, 2022, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 24, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
May 24, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 24, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
May 24, 2022, noon 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 24, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
May 24, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
May 24, 2022, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
May 24, 2022, 6 a.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 24, 2022, 5 a.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 24, 2022, 5 a.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 24, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
May 24, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
May 24, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) 1.5 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
May 24, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) 3.4 ppb (4) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 24, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 23, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 23, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.1 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 23, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
May 23, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
May 23, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 23, 2022, 3 p.m. 3.0 ppb (3) 1.0 ppb (1) 2.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
May 23, 2022, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A -3.0 μg/m3 (0) 26.0
 
May 23, 2022, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
May 23, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A -3.0 μg/m3 (0) 25.0
 
May 23, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A -3.0 μg/m3 (0) 25.0
 
May 23, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A -2.0 μg/m3 (0) 23.0
 
May 23, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A N/A 31.0
 
May 23, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
May 23, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.3 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
May 23, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
May 22, 2022, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 11.0 μg/m3 (46) 50.0
 
May 22, 2022, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 22, 2022, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 22, 2022, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (3) 52.0 ppb (49) N/A N/A 18.0 μg/m3 (64) 64.0
 
May 22, 2022, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A 2.0 ppb (3) 60.0 ppb (68) N/A N/A 24.0 μg/m3 (77) 77.0
 
May 22, 2022, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.5 ppb (4) 3.0 ppb (3) N/A 2.0 ppb (3) 59.0 ppb (65) N/A N/A 25.0 μg/m3 (79) 79.0
 
May 22, 2022, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.8 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (2) 58.0 ppb (61) N/A N/A 22.0 μg/m3 (72) 72.0
 
May 22, 2022, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A 22.0 μg/m3 (72) 72.0
 
May 22, 2022, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) 4.2 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 19.0 μg/m3 (66) 66.0
 
May 22, 2022, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) 4.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 22, 2022, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) 4.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 22, 2022, noon 3.0 ppb (3) 0.0 ppb (0) 5.2 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 22, 2022, 11 a.m. 4.0 ppb (4) 0.0 ppb (0) 5.9 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 21.0 μg/m3 (70) 70.0
 
May 22, 2022, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) 6.0 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 22, 2022, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) 6.1 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 22, 2022, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) 5.7 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 22, 2022, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) 5.2 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 18.0 μg/m3 (64) 64.0
 
May 22, 2022, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) 5.8 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 19.0 μg/m3 (66) 66.0
 
May 22, 2022, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) 6.3 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 64.0 ppb (81) N/A N/A 19.0 μg/m3 (66) 81.0
 
May 22, 2022, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) 6.2 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 70.0 ppb (100) N/A N/A 22.0 μg/m3 (72) 100.0
 
May 22, 2022, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) 4.9 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 68.0 ppb (94) N/A N/A 16.0 μg/m3 (60) 94.0
 
May 22, 2022, midnight 2.0 ppb (2) 0.0 ppb (0) 3.1 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 11.0 μg/m3 (46) 65.0
 
May 21, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.3 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) N/A N/A 6.0 μg/m3 (25) 51.0
 
May 21, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 12.0 μg/m3 (50) 55.0
 
May 21, 2022, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 10.0 μg/m3 (42) 55.0
 
May 21, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
May 21, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 9.0 μg/m3 (38) 39.0
 
May 21, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.3 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 7.0 μg/m3 (30) 37.0
 
May 21, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 21, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 21, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
May 21, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A -2.0 μg/m3 (0) 22.0
 
May 21, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A -2.0 μg/m3 (0) 22.0
 
May 21, 2022, noon 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A -2.0 μg/m3 (0) 23.0
 
May 21, 2022, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.0 μg/m3 (5) 26.0
 
May 21, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 21, 2022, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
May 21, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
May 21, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
May 21, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.3 ppb (2) 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
May 21, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 8.0 μg/m3 (34) 45.0
 
May 21, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
May 21, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
May 20, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 8.0 μg/m3 (34) 48.0
 
May 20, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 8.0 μg/m3 (34) 50.0
 
May 20, 2022, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 7.0 μg/m3 (30) 55.0
 
May 20, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
May 20, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
May 20, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) 2.3 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
May 20, 2022, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
May 20, 2022, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
May 20, 2022, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 20, 2022, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
May 20, 2022, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.0 μg/m3 (5) 19.0
 
May 20, 2022, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.5 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 20, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
May 20, 2022, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 20, 2022, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 20, 2022, 6 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
May 20, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 20, 2022, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
May 20, 2022, 3 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
May 20, 2022, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
May 20, 2022, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A N/A 25.0
 
May 20, 2022, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 20, 2022, midnight 2.0 ppb (2) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
May 20, 2022, midnight 2.0 ppb (2) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
May 19, 2022, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 19, 2022, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
May 19, 2022, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
May 19, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 19, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 19, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 19, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 19, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 19, 2022, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
May 19, 2022, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) 3.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
May 19, 2022, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2022, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
May 19, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
May 19, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
May 19, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
May 19, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 6.0 μg/m3 (25) 46.0
 
May 19, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 4.0 μg/m3 (17) 44.0
 
May 18, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 3.0 μg/m3 (13) 43.0
 
May 18, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 18, 2022, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
May 18, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
May 18, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 1.0 μg/m3 (5) 45.0
 
May 18, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 3.0 μg/m3 (13) 44.0
 
May 18, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
May 18, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
May 18, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
May 18, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
May 18, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
May 18, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
May 18, 2022, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
May 18, 2022, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
May 18, 2022, noon 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
May 18, 2022, noon 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0